CVE-2021-33294 — MEDIUM (5.5)

Vulnerability Description

In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Elfutils Project	Elfutils	0.183

Related Weaknesses (CWE)

CWE-835

References

https://sourceware.org/bugzilla/show_bug.cgi?id=27501ExploitIssue Tracking
https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.htmlMailing ListPatch
https://sourceware.org/bugzilla/show_bug.cgi?id=27501ExploitIssue Tracking
https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.htmlMailing ListPatch

FAQ

What is CVE-2021-33294?

CVE-2021-33294 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.

How severe is CVE-2021-33294?

CVE-2021-33294 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33294?

Check the references section above for vendor advisories and patch information. Affected products include: Elfutils Project Elfutils.