CVE-2017-6891

CVSS V2 Medium 6.8 CVSS V3 High 8.8
Description
Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.
Overview
  • CVE ID
  • CVE-2017-6891
  • Assigner
  • PSIRT-CNA@flexerasoftware.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-05-22T19:29:00
  • Last Modified Date
  • 2023-02-03T19:05:27
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:gnu:gnutls_libtasn1:4.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ Patch Third Party Advisory
https://secuniaresearch.flexerasoftware.com/advisories/76125/ Permissions Required
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484 Patch Vendor Advisory
http://www.securityfocus.com/bid/98641
http://www.securitytracker.com/id/1038619
https://security.gentoo.org/glsa/201710-11
http://www.debian.org/security/2017/dsa-3861
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-6891
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6891
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:31 Added to TrackCVE
2022-12-02 17:10:43 2017-05-22T19:29Z 2017-05-22T19:29:00 CVE Published Date updated
2022-12-02 17:10:43 2021-06-29T15:15:13 CVE Modified Date updated
2022-12-02 17:10:43 Modified Vulnerability Status updated
2022-12-06 16:23:03 2022-12-05T23:48:06 CVE Modified Date updated
2022-12-08 06:13:50 Modified Undergoing Analysis Vulnerability Status updated
2023-02-03 19:06:30 2023-02-03T19:05:27 CVE Modified Date updated
2023-02-03 19:06:30 Undergoing Analysis Analyzed Vulnerability Status updated
2023-02-03 19:06:31 Weakness Enumeration update