Vulnerability 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 Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Zsh | Zsh | < 5.6 |
Related Weaknesses (CWE)
References
- 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 ListVendor Advisory
- 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 ListVendor Advisory
FAQ
What is CVE-2018-0502?
CVE-2018-0502 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2018-0502?
CVE-2018-0502 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-0502?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Zsh Zsh.