CVE-2021-3345

 

Published at: - 29-01-2021 04:15

Last modified: - 26-04-2022 06:08

Total changes: - 5

Description

_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08
• https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html
• https://gnupg.org
• https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html
• https://bugs.gentoo.org/show_bug.cgi?id=767814
• N/A-Third Party Advisory

 

Keywords

NVD

 

CVE-2021-3345

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures