CVE-2018-8099

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26.2, which allows an attacker to cause a denial of service via a crafted repository index file.
Overview
  • CVE ID
  • CVE-2018-8099
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-14T00:29:00
  • Last Modified Date
  • 2022-04-25T20:41:45
Weakness Enumerations
CWE URL
CWE-415 http://cwe.mitre.org/data/definitions/415.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* 1 OR 0.26.2
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://libgit2.github.com/security/ Patch Third Party Advisory
https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-8099
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8099
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:38 Added to TrackCVE
2022-12-03 03:22:26 2018-03-14T00:29Z 2018-03-14T00:29:00 CVE Published Date updated
2022-12-03 03:22:26 2022-04-25T20:41:45 CVE Modified Date updated
2022-12-03 03:22:26 Analyzed Vulnerability Status updated