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CVE-2020-6816 (GCVE-0-2020-6816)
Vulnerability from cvelistv5
Published
2020-03-24 21:15
Modified
2024-08-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- mutation XSS
Summary
In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Mozilla Bleach |
Version: <=3.11 |
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}
opensuse-su-2021:0552-1
Vulnerability from csaf_opensuse
Published
2021-04-14 14:51
Modified
2021-04-14 14:51
Summary
Security update for python-bleach
Notes
Title of the patch
Security update for python-bleach
Description of the patch
This update for python-bleach fixes the following issues:
- CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific
combinations of allowed tags (boo#1184547)
Update to 3.1.5:
* replace missing ``setuptools`` dependency with ``packaging``. Thank you Benjamin Peterson.
Update to 3.1.4 (boo#1168280, CVE-2020-6817):
* ``bleach.clean`` behavior parsing style attributes could result in a
regular expression denial of service (ReDoS).
Calls to ``bleach.clean`` with an allowed tag with an allowed
``style`` attribute were vulnerable to ReDoS. For example,
``bleach.clean(..., attributes={'a': ['style']})``.
* Style attributes with dashes, or single or double quoted values are
cleaned instead of passed through.
update to 3.1.3 (boo#1167379, CVE-2020-6816):
* Add relative link to code of conduct. (#442)
* Drop deprecated 'setup.py test' support. (#507)
* Fix typo: curren -> current in tests/test_clean.py (#504)
* Test on PyPy 7
* Drop test support for end of life Python 3.4
* ``bleach.clean`` behavior parsing embedded MathML and SVG content
with RCDATA tags did not match browser behavior and could result in
a mutation XSS.
Calls to ``bleach.clean`` with ``strip=False`` and ``math`` or
``svg`` tags and one or more of the RCDATA tags ``script``,
``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or
``xmp`` in the allowed tags whitelist were vulnerable to a mutation
XSS.
Patchnames
openSUSE-2021-552
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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opensuse-su-2024:14134-1
Vulnerability from csaf_opensuse
Published
2024-07-12 00:00
Modified
2024-07-12 00:00
Summary
python310-bleach-6.1.0-1.5 on GA media
Notes
Title of the patch
python310-bleach-6.1.0-1.5 on GA media
Description of the patch
These are all security issues fixed in the python310-bleach-6.1.0-1.5 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-14134
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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{
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"date": "2024-07-12T00:00:00Z",
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}
],
"title": "CVE-2020-6802"
},
{
"cve": "CVE-2020-6816",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-6816"
}
],
"notes": [
{
"category": "general",
"text": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.",
"title": "CVE description"
}
],
"product_status": {
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{
"category": "external",
"summary": "CVE-2020-6816",
"url": "https://www.suse.com/security/cve/CVE-2020-6816"
},
{
"category": "external",
"summary": "SUSE Bug 1167379 for CVE-2020-6816",
"url": "https://bugzilla.suse.com/1167379"
}
],
"remediations": [
{
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-6817"
}
],
"notes": [
{
"category": "general",
"text": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={\u0027a\u0027: [\u0027style\u0027]}).",
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"category": "general",
"text": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.",
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},
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"url": "https://bugzilla.suse.com/1184547"
}
],
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{
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"baseSeverity": "MEDIUM",
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"details": "moderate"
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]
}
opensuse-su-2024:11219-1
Vulnerability from csaf_opensuse
Published
2024-06-15 00:00
Modified
2024-06-15 00:00
Summary
python36-bleach-3.3.0-1.4 on GA media
Notes
Title of the patch
python36-bleach-3.3.0-1.4 on GA media
Description of the patch
These are all security issues fixed in the python36-bleach-3.3.0-1.4 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-11219
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{
"document": {
"aggregate_severity": {
"namespace": "https://www.suse.com/support/security/rating/",
"text": "moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "python36-bleach-3.3.0-1.4 on GA media",
"title": "Title of the patch"
},
{
"category": "description",
"text": "These are all security issues fixed in the python36-bleach-3.3.0-1.4 package on the GA media of openSUSE Tumbleweed.",
"title": "Description of the patch"
},
{
"category": "details",
"text": "openSUSE-Tumbleweed-2024-11219",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
"references": [
{
"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11219-1.json"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2018-7753 page",
"url": "https://www.suse.com/security/cve/CVE-2018-7753/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-6802 page",
"url": "https://www.suse.com/security/cve/CVE-2020-6802/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-6816 page",
"url": "https://www.suse.com/security/cve/CVE-2020-6816/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-6817 page",
"url": "https://www.suse.com/security/cve/CVE-2020-6817/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2021-23980 page",
"url": "https://www.suse.com/security/cve/CVE-2021-23980/"
}
],
"title": "python36-bleach-3.3.0-1.4 on GA media",
"tracking": {
"current_release_date": "2024-06-15T00:00:00Z",
"generator": {
"date": "2024-06-15T00:00:00Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
}
},
"id": "openSUSE-SU-2024:11219-1",
"initial_release_date": "2024-06-15T00:00:00Z",
"revision_history": [
{
"date": "2024-06-15T00:00:00Z",
"number": "1",
"summary": "Current version"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "python36-bleach-3.3.0-1.4.aarch64",
"product": {
"name": "python36-bleach-3.3.0-1.4.aarch64",
"product_id": "python36-bleach-3.3.0-1.4.aarch64"
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},
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"product_id": "python39-bleach-3.3.0-1.4.ppc64le"
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"name": "ppc64le"
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opensuse-su-2021:0571-1
Vulnerability from csaf_opensuse
Published
2021-04-17 22:05
Modified
2021-04-17 22:05
Summary
Security update for python-bleach
Notes
Title of the patch
Security update for python-bleach
Description of the patch
This update for python-bleach fixes the following issues:
- CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific
combinations of allowed tags (boo#1184547)
Update to 3.1.5:
* replace missing ``setuptools`` dependency with ``packaging``. Thank you Benjamin Peterson.
Update to 3.1.4 (boo#1168280, CVE-2020-6817):
* ``bleach.clean`` behavior parsing style attributes could result in a
regular expression denial of service (ReDoS).
Calls to ``bleach.clean`` with an allowed tag with an allowed
``style`` attribute were vulnerable to ReDoS. For example,
``bleach.clean(..., attributes={'a': ['style']})``.
* Style attributes with dashes, or single or double quoted values are
cleaned instead of passed through.
update to 3.1.3 (boo#1167379, CVE-2020-6816):
* Add relative link to code of conduct. (#442)
* Drop deprecated 'setup.py test' support. (#507)
* Fix typo: curren -> current in tests/test_clean.py (#504)
* Test on PyPy 7
* Drop test support for end of life Python 3.4
* ``bleach.clean`` behavior parsing embedded MathML and SVG content
with RCDATA tags did not match browser behavior and could result in
a mutation XSS.
Calls to ``bleach.clean`` with ``strip=False`` and ``math`` or
``svg`` tags and one or more of the RCDATA tags ``script``,
``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or
``xmp`` in the allowed tags whitelist were vulnerable to a mutation
XSS.
This update was imported from the openSUSE:Leap:15.2:Update update project.
Patchnames
openSUSE-2021-571
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"title": "Description of the patch"
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"scores": [
{
"cvss_v3": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"SUSE Package Hub 15 SP2:python2-bleach-3.1.5-bp152.2.4.1.noarch",
"SUSE Package Hub 15 SP2:python3-bleach-3.1.5-bp152.2.4.1.noarch"
]
}
],
"threats": [
{
"category": "impact",
"date": "2021-04-17T22:05:12Z",
"details": "moderate"
}
],
"title": "CVE-2021-23980"
}
]
}
ghsa-m6xf-fq7q-8743
Vulnerability from github
Published
2020-03-24 15:06
Modified
2024-09-12 20:49
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
VLAI Severity ?
Summary
Bleach vulnerable to mutation XSS via whitelisted math or svg and raw tag
Details
Impact
A mutation XSS affects users calling bleach.clean with all of:
- the
svgormathin the allowed/whitelisted tags - an RCDATA tag (see below) in the allowed/whitelisted tags
- the keyword argument
strip=False
Patches
Users are encouraged to upgrade to bleach v3.1.2 or greater.
Workarounds
- modify
bleach.cleancalls to usestrip=True, or not whitelistmathorsvgtags and one or more of the following tags:
script
noscript
style
noframes
xmp
noembed
iframe
- A strong Content-Security-Policy without
unsafe-inlineandunsafe-evalscript-srcs) will also help mitigate the risk.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1621692
- https://cure53.de/fp170.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2020-6816
- https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach
Credits
- Reported by Yaniv Nizry from the CxSCA AppSec group at Checkmarx
For more information
If you have any questions or comments about this advisory:
- Open an issue at https://github.com/mozilla/bleach/issues
- Email us at security@mozilla.org
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "bleach"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2020-6816"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2020-03-23T22:25:38Z",
"nvd_published_at": "2020-03-24T22:15:00Z",
"severity": "MODERATE"
},
"details": "### Impact\n\nA [mutation XSS](https://cure53.de/fp170.pdf) affects users calling `bleach.clean` with all of:\n\n* the `svg` or `math` in the allowed/whitelisted tags\n* an RCDATA tag (see below) in the allowed/whitelisted tags\n* the keyword argument `strip=False`\n\n### Patches\n\nUsers are encouraged to upgrade to bleach v3.1.2 or greater.\n\n### Workarounds\n\n* modify `bleach.clean` calls to use `strip=True`, or not whitelist `math` or `svg` tags and one or more of the following tags:\n\n```\nscript\nnoscript\nstyle\nnoframes\nxmp\nnoembed\niframe\n```\n\n* A strong [Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) without `unsafe-inline` and `unsafe-eval` [`script-src`s](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src)) will also help mitigate the risk.\n\n### References\n\n* https://bugzilla.mozilla.org/show_bug.cgi?id=1621692\n* https://cure53.de/fp170.pdf\n* https://nvd.nist.gov/vuln/detail/CVE-2020-6816\n* https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach\n\n### Credits\n\n* Reported by [Yaniv Nizry](https://twitter.com/ynizry) from the CxSCA AppSec group at Checkmarx\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue at [https://github.com/mozilla/bleach/issues](https://github.com/mozilla/bleach/issues)\n* Email us at [security@mozilla.org](mailto:security@mozilla.org)",
"id": "GHSA-m6xf-fq7q-8743",
"modified": "2024-09-12T20:49:31Z",
"published": "2020-03-24T15:06:32Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-6816"
},
{
"type": "WEB",
"url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"
},
{
"type": "PACKAGE",
"url": "https://github.com/mozilla/bleach"
},
{
"type": "WEB",
"url": "https://github.com/mozilla/bleach/releases/tag/v3.1.2"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/bleach/PYSEC-2020-28.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5"
},
{
"type": "WEB",
"url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Bleach vulnerable to mutation XSS via whitelisted math or svg and raw tag"
}
fkie_cve-2020-6816
Vulnerability from fkie_nvd
Published
2020-03-24 22:15
Modified
2024-11-21 05:36
Severity ?
Summary
In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.
References
| URL | Tags | ||
|---|---|---|---|
| security@mozilla.org | https://advisory.checkmarx.net/advisory/CX-2020-4277 | Exploit, Third Party Advisory | |
| security@mozilla.org | https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743 | Third Party Advisory | |
| security@mozilla.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/ | ||
| security@mozilla.org | https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://advisory.checkmarx.net/advisory/CX-2020-4277 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mozilla | bleach | * | |
| fedoraproject | fedora | 33 |
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pysec-2020-28
Vulnerability from pysec
Published
2020-03-24 22:15
Modified
2021-03-30 23:15
Details
In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.
Impacted products
| Name | purl | bleach | pkg:pypi/bleach |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "bleach",
"purl": "pkg:pypi/bleach"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1",
"0.1.1",
"0.1.2",
"0.2",
"0.2.1",
"0.2.2",
"0.3",
"0.3.1",
"0.3.3",
"0.3.4",
"0.5.0",
"0.5.1",
"1.0.0",
"1.0.1",
"1.0.2",
"1.0.3",
"1.0.4",
"1.1.0",
"1.1.1",
"1.1.2",
"1.1.3",
"1.1.4",
"1.1.5",
"1.2",
"1.2.1",
"1.2.2",
"1.4",
"1.4.1",
"1.4.2",
"1.4.3",
"1.5.0",
"2.0.0",
"2.1",
"2.1.1",
"2.1.2",
"2.1.3",
"2.1.4",
"3.0.0",
"3.0.1",
"3.0.2",
"3.1.0",
"3.1.1"
]
}
],
"aliases": [
"CVE-2020-6816",
"GHSA-m6xf-fq7q-8743"
],
"details": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.",
"id": "PYSEC-2020-28",
"modified": "2021-03-30T23:15:00Z",
"published": "2020-03-24T22:15:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743"
},
{
"type": "ARTICLE",
"url": "https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/"
},
{
"type": "ADVISORY",
"url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"
}
]
}
gsd-2020-6816
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-6816",
"description": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.",
"id": "GSD-2020-6816",
"references": [
"https://www.suse.com/security/cve/CVE-2020-6816.html",
"https://www.debian.org/security/2020/dsa-4643",
"https://advisories.mageia.org/CVE-2020-6816.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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],
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"id": "GSD-2020-6816",
"modified": "2023-12-13T01:21:55.069009Z",
"schema_version": "1.4.0"
}
},
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{
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],
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},
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"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
},
"lastModifiedDate": "2022-10-06T20:45Z",
"publishedDate": "2020-03-24T22:15Z"
}
}
}
cnvd-2020-20710
Vulnerability from cnvd
Title
Mozilla Bleach跨站脚本漏洞
Description
Mozilla Bleach是美国Mozilla基金会的一款HTML清理库。
Mozilla Bleach 3.12之前版本中的bleach.clean存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
Severity
中
VLAI Severity ?
Patch Name
Mozilla Bleach跨站脚本漏洞的补丁
Patch Description
Mozilla Bleach是美国Mozilla基金会的一款HTML清理库。
Mozilla Bleach 3.12之前版本中的bleach.clean存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://pypi.org/project/bleach/
Reference
https://www.auscert.org.au/bulletins/ESB-2020.1022/
Impacted products
| Name | Mozilla Bleach <3.12 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-6816"
}
},
"description": "Mozilla Bleach\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3eHTML\u6e05\u7406\u5e93\u3002\n\nMozilla Bleach 3.12\u4e4b\u524d\u7248\u672c\u4e2d\u7684bleach.clean\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://pypi.org/project/bleach/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2020-20710",
"openTime": "2020-04-01",
"patchDescription": "Mozilla Bleach\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3eHTML\u6e05\u7406\u5e93\u3002\r\n\r\nMozilla Bleach 3.12\u4e4b\u524d\u7248\u672c\u4e2d\u7684bleach.clean\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "Mozilla Bleach\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Mozilla Bleach \u003c3.12"
},
"referenceLink": "https://www.auscert.org.au/bulletins/ESB-2020.1022/",
"serverity": "\u4e2d",
"submitTime": "2020-03-25",
"title": "Mozilla Bleach\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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