Path traversal in Perlbot and Perl - CVE-2018-10860
Published: August 27, 2018 / Updated: August 28, 2018
Vulnerability identifier: #VU14545
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-10860
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to conduct directory traversal attack on the target system.
The vulnerability exists in the Archive::Zip module due to improper sanitization of paths while extracting zip files. A remote unauthenticated attacker can provide a specially crafted archive for processing, bypass security restrictions and write or overwrite arbitrary files in the context of the perl interpreter.
Affected software
Perlbot
Perl
libarchive-zip-perl (Debian package)
perl-Archive-Zip
Opensuse
Fedora
Perl
libarchive-zip-perl (Debian package)
perl-Archive-Zip
Opensuse
Fedora
How to mitigate CVE-2018-10860
Install update from vendor's website.
libarchive-zip-perl (Debian package) - update to 1.59-1+deb9u1
perl-Archive-Zip - addressed in versions 1.59-6.fc27, 1.60-3.fc28
perl-Archive-Zip - addressed in versions 1.59-6.fc27, 1.60-3.fc28