CVE-2021-3345

Published: Jan 29, 2021Modified: Nov 21, 2024

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (2)

Products: Gnupg: Libgcrypt · Oracle: Communications Billing And Revenue Management

Gnupg

1 product

Libgcrypt

Oracle

1 product

Communications Billing And Revenue Management

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnupg Libgcrypt	Version 1.9.0

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Oracle Communications Billing And Revenue Management	Version 12.0.0.3.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (12)

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

Source: cve@mitre.org

Issue TrackingVendor Advisory

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

Source: cve@mitre.org

https://gnupg.org

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

Mailing ListVendor Advisory

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

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

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

Source: cve@mitre.org

Third Party Advisory

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