CVE-2021-3345 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3345
NVD Published Date:
01/29/2021
NVD Last Modified:
07/20/2021
Source:
MITRE