Vulnerability-Lookup

RHSA-2018:2091

Vulnerability from csaf_redhat - Published: 2018-06-27 19:19 - Updated: 2025-11-21 18:05

Summary

Red Hat Security Advisory: patch security update

Severity

Important

Notes

Topic: An update for patch is now available for Red Hat Enterprise Linux 7.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made to the file. A person who has the original file can then use the patch command with the diff file to add the changes to their original file (patching the file). Security Fix(es): * patch: Malicious patch files cause ed to execute arbitrary commands (CVE-2018-1000156) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2018-1000156

GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time.

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Affected products

Fixed 18 products

Product	Version	Remediation
Unresolved product id: 7ComputeNode-7.4.EUS:patch-0:2.7.1-10.el7_4.ppc64	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-0:2.7.1-10.el7_4.ppc64le	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-0:2.7.1-10.el7_4.s390x	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-0:2.7.1-10.el7_4.src	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-0:2.7.1-10.el7_4.x86_64	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.ppc64	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.ppc64le	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.s390x	—	Vendor Fix fix
Unresolved product id: 7ComputeNode-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-0:2.7.1-10.el7_4.ppc64	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-0:2.7.1-10.el7_4.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-0:2.7.1-10.el7_4.s390x	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-0:2.7.1-10.el7_4.src	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-0:2.7.1-10.el7_4.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.ppc64	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.s390x	—	Vendor Fix fix
Unresolved product id: 7Server-7.4.EUS:patch-debuginfo-0:2.7.1-10.el7_4.x86_64	—	Vendor Fix fix

Threats

Impact Important

References

8 references

URL	Category
https://access.redhat.com/errata/RHSA-2018:2091	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=1564326	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2018-1000156	self
https://bugzilla.redhat.com/show_bug.cgi?id=1564326	external
https://www.cve.org/CVERecord?id=CVE-2018-1000156	external
https://nvd.nist.gov/vuln/detail/CVE-2018-1000156	external

JSON

To clipboard

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}

CVE-2018-1000156 (GCVE-0-2018-1000156)

Vulnerability from cvelistv5 – Published: 2018-04-06 13:00 – Updated: 2025-04-14 19:36

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

20 references

URL	Tags
https://savannah.gnu.org/bugs/index.php?53566
https://lists.debian.org/debian-lts-announce/2018…	mailing-list
https://usn.ubuntu.com/3624-2/	vendor-advisory
https://usn.ubuntu.com/3624-1/	vendor-advisory
http://rachelbythebay.com/w/2018/04/05/bangpatch/
https://access.redhat.com/errata/RHSA-2018:2091	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:2094	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:2093	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:1200	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:2095	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:1199	vendor-advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…
https://access.redhat.com/errata/RHSA-2018:2092	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:2097	vendor-advisory
https://access.redhat.com/errata/RHSA-2018:2096	vendor-advisory
https://security.gentoo.org/glsa/201904-17	vendor-advisory
https://seclists.org/bugtraq/2019/Jul/54	mailing-list
https://seclists.org/bugtraq/2019/Aug/29	mailing-list
http://packetstormsecurity.com/files/154124/GNU-p…
https://web.archive.org/web/20180405231329/https:…

Date Public ?

2018-04-05 00:00

Show details on NVD website

JSON

To clipboard

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              "url": "https://savannah.gnu.org/bugs/index.php?53566"
            },
            {
              "name": "[debian-lts-announce] 20180416 [SECURITY] [DLA 1348-1] patch security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00013.html"
            },
            {
              "name": "USN-3624-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3624-2/"
            },
            {
              "name": "USN-3624-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3624-1/"
            },
            {
              "name": "https://twitter.com/kurtseifried/status/982028968877436928",
              "refsource": "MISC",
              "url": "https://twitter.com/kurtseifried/status/982028968877436928"
            },
            {
              "name": "http://rachelbythebay.com/w/2018/04/05/bangpatch/",
              "refsource": "MISC",
              "url": "http://rachelbythebay.com/w/2018/04/05/bangpatch/"
            },
            {
              "name": "RHSA-2018:2091",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2091"
            },
            {
              "name": "RHSA-2018:2094",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2094"
            },
            {
              "name": "RHSA-2018:2093",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2093"
            },
            {
              "name": "RHSA-2018:1200",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:1200"
            },
            {
              "name": "RHSA-2018:2095",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2095"
            },
            {
              "name": "RHSA-2018:1199",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:1199"
            },
            {
              "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=894667#19",
              "refsource": "MISC",
              "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=894667#19"
            },
            {
              "name": "RHSA-2018:2092",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2092"
            },
            {
              "name": "RHSA-2018:2097",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2097"
            },
            {
              "name": "RHSA-2018:2096",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2096"
            },
            {
              "name": "GLSA-201904-17",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201904-17"
            },
            {
              "name": "20190730 [SECURITY] [DSA 4489-1] patch security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Jul/54"
            },
            {
              "name": "20190816 Details about recent GNU patch vulnerabilities",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Aug/29"
            },
            {
              "name": "http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-1000156",
    "datePublished": "2018-04-06T13:00:00.000Z",
    "dateReserved": "2018-04-06T00:00:00.000Z",
    "dateUpdated": "2025-04-14T19:36:21.263Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2018:2091

CVE-2018-1000156 (GCVE-0-2018-1000156)

Tags

Sightings

Nomenclature