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PYSEC-2020-46
Vulnerability from pysec - Published: 2020-05-20 16:15 - Updated: 2020-08-19 18:56
VLAI
Details
In httplib2 before version 0.18.0, an attacker controlling unescaped part of uri for httplib2.Http.request() could change request headers and body, send additional hidden requests to same server. This vulnerability impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping. This has been fixed in 0.18.0.
Impacted products
| Name | purl | httplib2 | pkg:pypi/httplib2 |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "httplib2",
"purl": "pkg:pypi/httplib2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "a1457cc31f3206cf691d11d2bf34e98865873e9e"
}
],
"repo": "https://github.com/httplib2/httplib2",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.18.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.7.0",
"0.7.1",
"0.7.2",
"0.7.3",
"0.7.4",
"0.7.5",
"0.7.6",
"0.7.7",
"0.8",
"0.9",
"0.9.1",
"0.9.2",
"0.10.3",
"0.11.0",
"0.11.1",
"0.11.3",
"0.12.0",
"0.12.1",
"0.12.3",
"0.13.0",
"0.13.1",
"0.14.0",
"0.15.0",
"0.16.0",
"0.17.0",
"0.17.1",
"0.17.2",
"0.17.3",
"0.17.4"
]
}
],
"aliases": [
"CVE-2020-11078",
"GHSA-gg84-qgv9-w4pq"
],
"details": "In httplib2 before version 0.18.0, an attacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server. This vulnerability impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping. This has been fixed in 0.18.0.",
"id": "PYSEC-2020-46",
"modified": "2020-08-19T18:56:00Z",
"published": "2020-05-20T16:15:00Z",
"references": [
{
"type": "FIX",
"url": "https://github.com/httplib2/httplib2/commit/a1457cc31f3206cf691d11d2bf34e98865873e9e"
},
{
"type": "ADVISORY",
"url": "https://github.com/httplib2/httplib2/security/advisories/GHSA-gg84-qgv9-w4pq"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rc9eff9572946142b657c900fe63ea4bbd3535911e8d4ce4d08fe4b89@%3Ccommits.allura.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00000.html"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r23711190c2e98152cb6f216b95090d5eeb978543bb7e0bad22ce47fc@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IXCX2AWROGWGY5GXR7VN3BKF34A2FO6J/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PZJ3D6JSM7CFZESZZKGUW2VX55BOSOXI/"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rad8872fc99f670958c2774e2bf84ee32a3a0562a0c787465cf3dfa23@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r69a462e690b5f2c3d418a288a2c98ae764d58587bd0b5d6ab141f25f@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r4d35dac106fab979f0db75a07fc4e320ad848b722103e79667ff99e1@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r7f364000066748299b331b615ba51c62f55ab5b201ddce9a22d98202@%3Cissues.beam.apache.org%3E"
}
]
}
BREW-ROCKCRAFT-CVE-2020-11078 (GHSA-GG84-QGV9-W4PQ)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:32 – Updated: 2026-09-10 01:08 – Source website
VLAI
Summary
CRLF injection in httplib2
Details
Impact
Attacker controlling unescaped part of uri for httplib2.Http.request() could change request headers and body, send additional hidden requests to same server.
Impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.
Patches
Problem has been fixed in 0.18.0 Space, CR, LF characters are now quoted before any use. This solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.
Workarounds
Create URI with urllib.parse family functions: urlencode, urlunsplit.
user_input = " HTTP/1.1\r\ninjected: attack\r\nignore-http:"
-uri = "https://api.server/?q={}".format(user_input)
+uri = urllib.parse.urlunsplit(("https", "api.server", "/v1", urllib.parse.urlencode({"q": user_input}), ""))
http.request(uri)
References
https://cwe.mitre.org/data/definitions/93.html https://docs.python.org/3/library/urllib.parse.html
Thanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.
For more information
If you have any questions or comments about this advisory: * Open an issue in httplib2 * Email current maintainer at 2020-05
Severity
6.8 (Medium)
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "httplib2",
"resource_purl": "pkg:pypi/httplib2@0.32.0",
"upstream_fixed_in": "0.18.0"
},
"package": {
"ecosystem": "Homebrew",
"name": "rockcraft",
"purl": "pkg:brew/rockcraft"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/httplib2@0.32.0",
"name": "httplib2",
"resource": "httplib2",
"strategy": "registry",
"subject_version": "0.32.0"
}
]
},
"details": "### Impact\nAttacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server.\n\nImpacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.\n\n### Patches\nProblem has been fixed in 0.18.0\nSpace, CR, LF characters are now quoted before any use.\nThis solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.\n\n### Workarounds\nCreate URI with `urllib.parse` family functions: `urlencode`, `urlunsplit`.\n\n```diff\nuser_input = \" HTTP/1.1\\r\\ninjected: attack\\r\\nignore-http:\"\n-uri = \"https://api.server/?q={}\".format(user_input)\n+uri = urllib.parse.urlunsplit((\"https\", \"api.server\", \"/v1\", urllib.parse.urlencode({\"q\": user_input}), \"\"))\nhttp.request(uri)\n```\n\n### References\nhttps://cwe.mitre.org/data/definitions/93.html\nhttps://docs.python.org/3/library/urllib.parse.html\n\nThanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [httplib2](https://github.com/httplib2/httplib2/issues/new)\n* Email [current maintainer at 2020-05](mailto:temotor@gmail.com)",
"id": "BREW-rockcraft-CVE-2020-11078",
"modified": "2026-09-10T01:08:36Z",
"published": "2026-08-13T17:32:32Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/security/advisories/GHSA-gg84-qgv9-w4pq"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11078"
},
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/commit/a1457cc31f3206cf691d11d2bf34e98865873e9e"
},
{
"type": "PACKAGE",
"url": "https://github.com/httplib2/httplib2"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2020-46.yaml"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r23711190c2e98152cb6f216b95090d5eeb978543bb7e0bad22ce47fc@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r4d35dac106fab979f0db75a07fc4e320ad848b722103e79667ff99e1@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r69a462e690b5f2c3d418a288a2c98ae764d58587bd0b5d6ab141f25f@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r7f364000066748299b331b615ba51c62f55ab5b201ddce9a22d98202@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rad8872fc99f670958c2774e2bf84ee32a3a0562a0c787465cf3dfa23@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rc9eff9572946142b657c900fe63ea4bbd3535911e8d4ce4d08fe4b89@%3Ccommits.allura.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00000.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IXCX2AWROGWGY5GXR7VN3BKF34A2FO6J"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PZJ3D6JSM7CFZESZZKGUW2VX55BOSOXI"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
"type": "CVSS_V4"
}
],
"summary": "CRLF injection in httplib2",
"upstream": [
"GHSA-gg84-qgv9-w4pq",
"CVE-2020-11078",
"PYSEC-2020-46"
]
}
BREW-SCOUTSUITE-CVE-2020-11078 (GHSA-GG84-QGV9-W4PQ)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:34 – Updated: 2026-09-10 01:11 – Source website
VLAI
Summary
CRLF injection in httplib2
Details
Impact
Attacker controlling unescaped part of uri for httplib2.Http.request() could change request headers and body, send additional hidden requests to same server.
Impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.
Patches
Problem has been fixed in 0.18.0 Space, CR, LF characters are now quoted before any use. This solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.
Workarounds
Create URI with urllib.parse family functions: urlencode, urlunsplit.
user_input = " HTTP/1.1\r\ninjected: attack\r\nignore-http:"
-uri = "https://api.server/?q={}".format(user_input)
+uri = urllib.parse.urlunsplit(("https", "api.server", "/v1", urllib.parse.urlencode({"q": user_input}), ""))
http.request(uri)
References
https://cwe.mitre.org/data/definitions/93.html https://docs.python.org/3/library/urllib.parse.html
Thanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.
For more information
If you have any questions or comments about this advisory: * Open an issue in httplib2 * Email current maintainer at 2020-05
Severity
6.8 (Medium)
References
| URL | Type | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "httplib2",
"resource_purl": "pkg:pypi/httplib2@0.32.0",
"upstream_fixed_in": "0.18.0"
},
"package": {
"ecosystem": "Homebrew",
"name": "scoutsuite",
"purl": "pkg:brew/scoutsuite"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.14.0_16"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/httplib2@0.32.0",
"name": "httplib2",
"resource": "httplib2",
"strategy": "registry",
"subject_version": "0.32.0"
}
]
},
"details": "### Impact\nAttacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server.\n\nImpacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.\n\n### Patches\nProblem has been fixed in 0.18.0\nSpace, CR, LF characters are now quoted before any use.\nThis solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.\n\n### Workarounds\nCreate URI with `urllib.parse` family functions: `urlencode`, `urlunsplit`.\n\n```diff\nuser_input = \" HTTP/1.1\\r\\ninjected: attack\\r\\nignore-http:\"\n-uri = \"https://api.server/?q={}\".format(user_input)\n+uri = urllib.parse.urlunsplit((\"https\", \"api.server\", \"/v1\", urllib.parse.urlencode({\"q\": user_input}), \"\"))\nhttp.request(uri)\n```\n\n### References\nhttps://cwe.mitre.org/data/definitions/93.html\nhttps://docs.python.org/3/library/urllib.parse.html\n\nThanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [httplib2](https://github.com/httplib2/httplib2/issues/new)\n* Email [current maintainer at 2020-05](mailto:temotor@gmail.com)",
"id": "BREW-scoutsuite-CVE-2020-11078",
"modified": "2026-09-10T01:11:31Z",
"published": "2026-08-13T17:34:19Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/security/advisories/GHSA-gg84-qgv9-w4pq"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11078"
},
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/commit/a1457cc31f3206cf691d11d2bf34e98865873e9e"
},
{
"type": "PACKAGE",
"url": "https://github.com/httplib2/httplib2"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2020-46.yaml"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r23711190c2e98152cb6f216b95090d5eeb978543bb7e0bad22ce47fc@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r4d35dac106fab979f0db75a07fc4e320ad848b722103e79667ff99e1@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r69a462e690b5f2c3d418a288a2c98ae764d58587bd0b5d6ab141f25f@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r7f364000066748299b331b615ba51c62f55ab5b201ddce9a22d98202@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rad8872fc99f670958c2774e2bf84ee32a3a0562a0c787465cf3dfa23@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rc9eff9572946142b657c900fe63ea4bbd3535911e8d4ce4d08fe4b89@%3Ccommits.allura.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00000.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IXCX2AWROGWGY5GXR7VN3BKF34A2FO6J"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PZJ3D6JSM7CFZESZZKGUW2VX55BOSOXI"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
"type": "CVSS_V4"
}
],
"summary": "CRLF injection in httplib2",
"upstream": [
"GHSA-gg84-qgv9-w4pq",
"CVE-2020-11078",
"PYSEC-2020-46"
]
}
BREW-SNAPCRAFT-CVE-2020-11078 (GHSA-GG84-QGV9-W4PQ)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:35 – Updated: 2026-09-17 19:42 – Source website
VLAI
Summary
CRLF injection in httplib2
Details
Impact
Attacker controlling unescaped part of uri for httplib2.Http.request() could change request headers and body, send additional hidden requests to same server.
Impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.
Patches
Problem has been fixed in 0.18.0 Space, CR, LF characters are now quoted before any use. This solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.
Workarounds
Create URI with urllib.parse family functions: urlencode, urlunsplit.
user_input = " HTTP/1.1\r\ninjected: attack\r\nignore-http:"
-uri = "https://api.server/?q={}".format(user_input)
+uri = urllib.parse.urlunsplit(("https", "api.server", "/v1", urllib.parse.urlencode({"q": user_input}), ""))
http.request(uri)
References
https://cwe.mitre.org/data/definitions/93.html https://docs.python.org/3/library/urllib.parse.html
Thanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.
For more information
If you have any questions or comments about this advisory: * Open an issue in httplib2 * Email current maintainer at 2020-05
Severity
6.8 (Medium)
References
| URL | Type | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "httplib2",
"resource_purl": "pkg:pypi/httplib2@0.32.0",
"upstream_fixed_in": "0.18.0"
},
"package": {
"ecosystem": "Homebrew",
"name": "snapcraft",
"purl": "pkg:brew/snapcraft"
},
"ranges": [
{
"events": [
{
"introduced": "3.9"
},
{
"fixed": "4.0.7"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/httplib2@0.32.0",
"name": "httplib2",
"resource": "httplib2",
"strategy": "registry",
"subject_version": "0.32.0"
}
]
},
"details": "### Impact\nAttacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server.\n\nImpacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.\n\n### Patches\nProblem has been fixed in 0.18.0\nSpace, CR, LF characters are now quoted before any use.\nThis solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.\n\n### Workarounds\nCreate URI with `urllib.parse` family functions: `urlencode`, `urlunsplit`.\n\n```diff\nuser_input = \" HTTP/1.1\\r\\ninjected: attack\\r\\nignore-http:\"\n-uri = \"https://api.server/?q={}\".format(user_input)\n+uri = urllib.parse.urlunsplit((\"https\", \"api.server\", \"/v1\", urllib.parse.urlencode({\"q\": user_input}), \"\"))\nhttp.request(uri)\n```\n\n### References\nhttps://cwe.mitre.org/data/definitions/93.html\nhttps://docs.python.org/3/library/urllib.parse.html\n\nThanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [httplib2](https://github.com/httplib2/httplib2/issues/new)\n* Email [current maintainer at 2020-05](mailto:temotor@gmail.com)",
"id": "BREW-snapcraft-CVE-2020-11078",
"modified": "2026-09-17T19:42:15Z",
"published": "2026-08-13T17:35:45Z",
"references": [
{
"type": "WEB",
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CVE-2020-11078 (GCVE-0-2020-11078)
Vulnerability from cvelistv5 – Published: 2020-05-20 16:00 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
CRLF injection in httplib2
Summary
In httplib2 before version 0.18.0, an attacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server. This vulnerability impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping. This has been fixed in 0.18.0.
Severity
6.8 (Medium)
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://github.com/httplib2/httplib2/security/adv… | x_refsource_CONFIRM |
| https://github.com/httplib2/httplib2/commit/a1457… | x_refsource_MISC |
| https://lists.apache.org/thread.html/rc9eff957294… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r23711190c2e… | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.apache.org/thread.html/r69a462e690b… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/rad8872fc99f… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r7f364000066… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r4d35dac106f… | mailing-listx_refsource_MLIST |
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GHSA-GG84-QGV9-W4PQ
Vulnerability from github – Published: 2020-05-20 15:55 – Updated: 2024-09-20 21:55
VLAI
Summary
CRLF injection in httplib2
Details
Impact
Attacker controlling unescaped part of uri for httplib2.Http.request() could change request headers and body, send additional hidden requests to same server.
Impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.
Patches
Problem has been fixed in 0.18.0 Space, CR, LF characters are now quoted before any use. This solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.
Workarounds
Create URI with urllib.parse family functions: urlencode, urlunsplit.
user_input = " HTTP/1.1\r\ninjected: attack\r\nignore-http:"
-uri = "https://api.server/?q={}".format(user_input)
+uri = urllib.parse.urlunsplit(("https", "api.server", "/v1", urllib.parse.urlencode({"q": user_input}), ""))
http.request(uri)
References
https://cwe.mitre.org/data/definitions/93.html https://docs.python.org/3/library/urllib.parse.html
Thanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.
For more information
If you have any questions or comments about this advisory: * Open an issue in httplib2 * Email current maintainer at 2020-05
Severity
6.8 (Medium)
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}
]
}
],
"aliases": [
"CVE-2020-11078"
],
"database_specific": {
"cwe_ids": [
"CWE-93"
],
"github_reviewed": true,
"github_reviewed_at": "2020-05-20T15:55:36Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "### Impact\nAttacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server.\n\nImpacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping.\n\n### Patches\nProblem has been fixed in 0.18.0\nSpace, CR, LF characters are now quoted before any use.\nThis solution should not impact any valid usage of httplib2 library, that is uri constructed by urllib.\n\n### Workarounds\nCreate URI with `urllib.parse` family functions: `urlencode`, `urlunsplit`.\n\n```diff\nuser_input = \" HTTP/1.1\\r\\ninjected: attack\\r\\nignore-http:\"\n-uri = \"https://api.server/?q={}\".format(user_input)\n+uri = urllib.parse.urlunsplit((\"https\", \"api.server\", \"/v1\", urllib.parse.urlencode({\"q\": user_input}), \"\"))\nhttp.request(uri)\n```\n\n### References\nhttps://cwe.mitre.org/data/definitions/93.html\nhttps://docs.python.org/3/library/urllib.parse.html\n\nThanks to Recar https://github.com/Ciyfly for finding vulnerability and discrete notification.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [httplib2](https://github.com/httplib2/httplib2/issues/new)\n* Email [current maintainer at 2020-05](mailto:temotor@gmail.com)",
"id": "GHSA-gg84-qgv9-w4pq",
"modified": "2024-09-20T21:55:12Z",
"published": "2020-05-20T15:55:47Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/security/advisories/GHSA-gg84-qgv9-w4pq"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11078"
},
{
"type": "WEB",
"url": "https://github.com/httplib2/httplib2/commit/a1457cc31f3206cf691d11d2bf34e98865873e9e"
},
{
"type": "PACKAGE",
"url": "https://github.com/httplib2/httplib2"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2020-46.yaml"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r23711190c2e98152cb6f216b95090d5eeb978543bb7e0bad22ce47fc@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r4d35dac106fab979f0db75a07fc4e320ad848b722103e79667ff99e1@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r69a462e690b5f2c3d418a288a2c98ae764d58587bd0b5d6ab141f25f@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/r7f364000066748299b331b615ba51c62f55ab5b201ddce9a22d98202@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rad8872fc99f670958c2774e2bf84ee32a3a0562a0c787465cf3dfa23@%3Cissues.beam.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/rc9eff9572946142b657c900fe63ea4bbd3535911e8d4ce4d08fe4b89@%3Ccommits.allura.apache.org%3E"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00000.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IXCX2AWROGWGY5GXR7VN3BKF34A2FO6J"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PZJ3D6JSM7CFZESZZKGUW2VX55BOSOXI"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
"type": "CVSS_V4"
}
],
"summary": "CRLF injection in httplib2"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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