SB2016021103 - Cross-site scripting in cgit (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2016-1900)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers with permission to write to a repository to inject arbitrary HTTP headers and conduct HTTP response splitting attacks or cross-site scripting (XSS) attacks via newline characters in a filename.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

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