Link following in Mercurial - CVE-2017-1000115
Published: October 5, 2017 / Updated: July 18, 2020
Vulnerability identifier: #VU31407
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-1000115
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mercurial
Affected software:
Mercurial
Mercurial
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository
How to mitigate CVE-2017-1000115
Install update from vendor's website.