Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2020-12278 CVE-2020-12279 |
CWE-ID | CWE-706 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
libgit2 Universal components / Libraries / Libraries used by multiple products |
Vendor | libgit2.github.com |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU86203
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-12278
CWE-ID:
CWE-706 - Use of Incorrectly-Resolved Name or Reference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper handling of equivalent filenames that exist because of NTFS Alternate Data Streams in path.c. A remote attacker can trick the victim into cloning a specially crafted repository and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionslibgit2: 0.1.0 - 0.28.3
External linkshttp://github.com/libgit2/libgit2/releases/tag/v0.28.4
http://github.com/libgit2/libgit2/releases/tag/v0.99.0
http://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb
http://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
http://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01
http://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
http://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU86204
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-12279
CWE-ID:
CWE-706 - Use of Incorrectly-Resolved Name or Reference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper handling of equivalent filenames that exist because of NTFS short names in checkout.c. A remote attacker can trick the victim into cloning a specially crafted repository and execute arbitrary code on the system. MitigationInstall updates from vendor's website.
Vulnerable software versionslibgit2: 0.1.0 - 0.28.3
External linkshttp://github.com/libgit2/libgit2/releases/tag/v0.28.4
http://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
http://github.com/libgit2/libgit2/releases/tag/v0.99.0
http://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
http://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
http://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.