Critical severity · published Sep 5, 2018
CVE-2018-13259
An issue was discovered in zsh before 5.6
9.8
CVSS
2.7%
EPSS
No
On KEV
Description
An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04 · source: NVD
ZS
Zsh · Zsh
before 5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-13259
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-13259
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2017
Mailing List
https://bugs.debian.org/908000
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
Third Party Advisory
https://security.gentoo.org/glsa/201903-02
Patch
https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d
Third Party Advisory
https://usn.ubuntu.com/3764-1/
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