SB2017120740 - Input validation error in www.fossil-scm fossil
Published: December 7, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017120740
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2017-17459)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
http_transport.c in Fossil before 2.4, when the SSH sync protocol is used, allows user-assisted remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-14176, CVE-2017-16228, CVE-2017-1000116, and CVE-2017-1000117.
Remediation
Install update from vendor's website.
References
- https://bugzilla.opensuse.org/show_bug.cgi?id=1071709
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BLAFCQGE7C5UMX75LESNUMKTXTURUVQM/
- https://www.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4
- https://www.fossil-scm.org/xfer/info/1f63db591c77108c