CVE-2018-20969

Description

do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.

Risk Information

Base Score

7.8

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.371

Associated Vulnerability

Vulnerability	OS Platform
(RHSA-2019:2964) patch security update patch-2.7.1-12.el7_7.x86_64.rpm	Linux
Patch update (ELSA-2019-2798) patch-2.7.6-9.el8_0.x86_64.rpm	Linux
(RHSA-2019:2964)Important: security update patch-debuginfo-2.7.1-12.el7_7.x86_64.rpm	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234