CVE-2021-3345

high

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.

References

https://www.oracle.com//security-alerts/cpujul2021.html

https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html

https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html

https://gnupg.org

https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08

https://bugs.gentoo.org/show_bug.cgi?id=767814

Details

Source: Mitre, NVD

Published: 2021-01-29

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H