CVE Vulnerability

CVE-2021-3345

_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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08 Mailing List Patch
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html Mailing List Patch
https://gnupg.org Vendor Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html Mailing List Vendor Advisory
https://bugs.gentoo.org/show_bug.cgi?id=767814 Issue Tracking Vendor Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:gnupg:libgcrypt:1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*
Information

Published : 2021-01-29 03:15

Updated : 2022-04-26 04:08

NVD link : CVE-2021-3345

Mitre link : CVE-2021-3345

Products Affected
No products.
CWE
CWE-787