PT-2022-12507 · Gnu+3 · Gnu Recutils+3

Aidai · Published 2022-01-14 · Updated 2024-12-04 · CVE-2021-46021

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GNU Recutils version 1.8.90

Description The issue is related to an Use-After-Free vulnerability in the rec record destroy() function at rec-record.c. This vulnerability can lead to a segmentation fault or application crash.

Recommendations For GNU Recutils version 1.8.90, consider disabling the rec record destroy() function as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-46021

USN-7137-1

Affected Products

Debian

Gnu Recutils

Linuxmint

Ubuntu

References · 28

• 🔥 https://github.com/TeamSeri0us/pocs/tree/master/recutils · Exploit
• 🔥 https://github.com/TeamSeri0us/pocs/blob/master/recutils/bug-report-recutils · Exploit
• 🔥 https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00008.html · Exploit
• https://ubuntu.com/security/CVE-2019-11639 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-46019 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG4CV2F55UF · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQMYIFAEQ3T · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-46021 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46021 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6460 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46021 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-46021 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6457 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7137-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-46021 · Vendor Advisory