Buffer overflow in cgit (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-1901
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 cgit (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU32343

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-1901

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Integer overflow in the authenticate_post function in CGit before 0.12 allows remote attackers to have unspecified impact via a large value in the Content-Length HTTP header, which triggers a buffer overflow.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cgit (Alpine package): 0.8.3.1-r0 - 0.10.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=b4162b52de066db4f8df3ff8ceceac451f0c3c7e
https://git.alpinelinux.org/aports/commit/?id=c8d5b3017f998d5284638c262ae52971c8b6c1cb
https://git.alpinelinux.org/aports/commit/?id=4e190684abf73dd51d883d392f574ae9eedca58f


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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