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CVE

CVE-2018-13259

An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to

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.

CRITICAL · CVSS 9.8 EPSS 0.0065
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
canonical ubuntu linuxall versions
zsh< 5.6
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Sep 2018 · 08:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11543-1
suse-csafSUSE-SU-2022:14910-1
suse-csafSUSE-SU-2022:0161-1
usnUSN-3764-1
suse-csafSUSE-SU-2018:2686-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.debian.org/908000Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html
https://security.gentoo.org/glsa/201903-02Third Party Advisory
https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233dPatchThird Party Advisory
https://usn.ubuntu.com/3764-1/Third Party Advisory
https://www.zsh.org/mla/zsh-announce/136Mailing ListRelease NotesVendor Advisory
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