VulnerabilityModified
CVE-2018-0502
An issue was discovered in zsh before 5.6.
CRITICAL 9.8EPSS 2.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.49% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- canonical/ubuntu linux · zsh/zsh
- Source
- security@debian.org
References
- https://bugs.debian.org/908000Mailing List, Patch, Third 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/1c4c7b6a4d17294df028322b70c53803a402233dPatch, Third Party Advisory
- https://usn.ubuntu.com/3764-1/Third Party Advisory
- https://www.zsh.org/mla/zsh-announce/136Mailing List, Vendor Advisory
- https://bugs.debian.org/908000Mailing List, Patch, Third 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/1c4c7b6a4d17294df028322b70c53803a402233dPatch, Third Party Advisory
- https://usn.ubuntu.com/3764-1/Third Party Advisory
- https://www.zsh.org/mla/zsh-announce/136Mailing List, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.