7.8

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnupg ≫ Libgcrypt Version 1.9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.06% 0.602
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-787 Out-of-bounds Write

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

https://www.oracle.com//security-alerts/cpujul2021.html
Third Party Advisory
https://bugs.gentoo.org/show_bug.cgi?id=767814
Vendor Advisory
Issue Tracking
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08
https://gnupg.org
Vendor Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html
Vendor Advisory
Mailing List
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html
Patch
Vendor Advisory
Mailing List