Path traversal in libgit2-1.0 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1348
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libgit2-1.0 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU23554

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-1348

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when the export-marks option of git fast-import is exposed also via the in-stream command feature. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary paths on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libgit2-1.0 (Alpine package): 1.0.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6425be941961881e542ff2604ea869f94f51c0a8


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.



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