OS command injection in Subversion - CVE-2017-9800
Published: August 15, 2017
Vulnerability identifier: #VU7886
CSH Severity: High
CVSS v4.0: 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-2017-9800
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Subversion
Subversion
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The weakness exists due to command injection flaw. A remote attacker (e.g., repository, proxy server) can return a specially crafted 'svn+ssh://' URL during 'checkout', 'export', 'update', and 'switch' commands and execute arbitrary shell commands with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to command injection flaw. A remote attacker (e.g., repository, proxy server) can return a specially crafted 'svn+ssh://' URL during 'checkout', 'export', 'update', and 'switch' commands and execute arbitrary shell commands with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2017-9800
Update to version 1.8.19 or 1.9.7.