Buffer overflow in cgit
| 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 Subscribe |
cgit Client/Desktop applications / Software for system administration |
| Vendor | Jason A. Donenfeld |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU32343
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-1901
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionscgit: 0.1 - 0.11.2
External linkshttp://git.zx2c4.com/cgit/commit/?id=4458abf64172a62b92810c2293450106e6dfc763
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176167.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176198.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00067.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00084.html
http://lists.zx2c4.com/pipermail/cgit/2016-January/002817.html
http://www.debian.org/security/2016/dsa-3545
http://www.openwall.com/lists/oss-security/2016/01/14/3
http://www.openwall.com/lists/oss-security/2016/01/14/6
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.
