CVE-2022-4515 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

A flaw was found in Exuberant Ctags in the way it handles the "-o" option. This option specifies the tag filename. A crafted tag filename specified in the command line or in the configuration file results in arbitrary command execution because the externalSortTags() in sort.c calls the system(3) function in an unsafe way.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Exuberant Ctags Project	Exuberant Ctags	All versions
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-78

References

https://lists.debian.org/debian-lts-announce/2022/12/msg00040.htmlMailing ListThird Party Advisory
https://sourceforge.net/p/ctags/code/HEAD/tree/tags/ctags-5.8/sort.c#l56ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00040.htmlMailing ListThird Party Advisory
https://sourceforge.net/p/ctags/code/HEAD/tree/tags/ctags-5.8/sort.c#l56ExploitThird Party Advisory

FAQ

What is CVE-2022-4515?

CVE-2022-4515 is a vulnerability with a CVSS score of 7.8 (HIGH). A flaw was found in Exuberant Ctags in the way it handles the "-o" option. This option specifies the tag filename. A crafted tag filename specified in the command line or in the configuration file res...

How severe is CVE-2022-4515?

CVE-2022-4515 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-4515?

Check the references section above for vendor advisories and patch information. Affected products include: Exuberant Ctags Project Exuberant Ctags, Debian Debian Linux.