9.8
CRITICAL
CVE-2020-12279
Libgit2 NTFS Short Name Vulnerability (Remote Code Execution)
Description

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.

INFO

Published Date :

April 27, 2020, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 4:59 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-12279 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Libgit2 libgit2

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-12279 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-12279 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
    Added Reference https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
    Added Reference https://github.com/libgit2/libgit2/releases/tag/v0.28.4
    Added Reference https://github.com/libgit2/libgit2/releases/tag/v0.99.0
    Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
    Added Reference https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 24, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v Patch https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v Patch, Third Party Advisory
    Changed Reference Type https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 Patch https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 Patch, Third Party Advisory
    Changed Reference Type https://github.com/libgit2/libgit2/releases/tag/v0.28.4 Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.28.4 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/libgit2/libgit2/releases/tag/v0.99.0 Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.99.0 Release Notes, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 21, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html [No Types Assigned]
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-706
  • Initial Analysis by [email protected]

    May. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v No Types Assigned https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v Patch
    Changed Reference Type https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 No Types Assigned https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 Patch
    Changed Reference Type https://github.com/libgit2/libgit2/releases/tag/v0.28.4 No Types Assigned https://github.com/libgit2/libgit2/releases/tag/v0.28.4 Release Notes
    Changed Reference Type https://github.com/libgit2/libgit2/releases/tag/v0.99.0 No Types Assigned https://github.com/libgit2/libgit2/releases/tag/v0.99.0 Release Notes
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* versions up to (excluding) 0.28.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-12279 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.97 }} 0.65%

score

0.90629

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability