CVE-2021-46848

CVSS V2 None CVSS V3 Critical 9.1
Description
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
Overview
  • CVE ID
  • CVE-2021-46848
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-10-24T14:15:49
  • Last Modified Date
  • 2023-01-20T13:55:29
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:libtasn1:*:*:*:*:*:*:*:* 1 OR 4.19.0
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.1
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://bugs.gentoo.org/866237 Issue Tracking Patch Third Party Advisory
https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5 Patch Third Party Advisory
https://gitlab.com/gnutls/libtasn1/-/issues/32 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/
https://security.netapp.com/advisory/ntap-20221118-0006/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-46848
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46848
History
Created Old Value New Value Data Type Notes
2022-10-24 15:00:10 Added to TrackCVE
2022-12-07 11:10:38 2022-10-24T14:15Z 2022-10-24T14:15:49 CVE Published Date updated
2022-12-07 11:10:38 2022-11-18T19:15:28 CVE Modified Date updated
2022-12-07 11:10:38 Undergoing Analysis Vulnerability Status updated
2022-12-07 11:11:04 References updated
2022-12-18 09:26:01 2022-12-18T04:15:07 CVE Modified Date updated
2022-12-18 09:26:08 References updated
2023-01-09 21:16:08 2023-01-09T21:15:10 CVE Modified Date updated
2023-01-09 21:16:09 References updated
2023-01-20 14:13:06 2023-01-20T13:55:29 CVE Modified Date updated
2023-01-20 14:13:06 Undergoing Analysis Analyzed Vulnerability Status updated