CVE-2021-3345

CVSS V2 High 7.2 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2021-3345
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-29T15:15:13
  • Last Modified Date
  • 2022-04-26T16:08:36
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnupg:libgcrypt:1.9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08 Mailing List Patch Third Party Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html Mailing List Patch Vendor Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3345
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3345
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:31 Added to TrackCVE
2022-12-05 21:06:14 2021-01-29T15:15Z 2021-01-29T15:15:13 CVE Published Date updated
2022-12-05 21:06:14 2022-04-26T16:08:36 CVE Modified Date updated
2022-12-05 21:06:15 Analyzed Vulnerability Status updated