CVE-2018-10887

CVSS V2 Medium 5.8 CVSS V3 High 8.1
Description
A flaw was found in libgit2 before version 0.27.3. It has been discovered that an unexpected sign extension in git_delta_apply function in delta.c file may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. An attacker may use this flaw to leak memory addresses or cause a Denial of Service.
Overview
  • CVE ID
  • CVE-2018-10887
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-07-10T14:29:00
  • Last Modified Date
  • 2022-04-19T16:07:45
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:libgit2:libgit2:*:*:*:*:*:*:*:* 1 OR 0.27.3
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
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:P/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://github.com/libgit2/libgit2/releases/tag/v0.27.3 Patch Release Notes Third Party Advisory
https://github.com/libgit2/libgit2/commit/c1577110467b701dcbcf9439ac225ea851b47d22 Patch Third Party Advisory
https://github.com/libgit2/libgit2/commit/3f461902dc1072acb8b7607ee65d0a0458ffac2a Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1598021 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html Mailing List 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-2018-10887
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10887
History
Created Old Value New Value Data Type Notes
2022-05-10 15:41:18 Added to TrackCVE
2022-12-03 09:37:08 2018-07-10T14:29Z 2018-07-10T14:29:00 CVE Published Date updated
2022-12-03 09:37:08 2022-04-19T16:07:45 CVE Modified Date updated
2022-12-03 09:37:08 Analyzed Vulnerability Status updated