Path traversal in Okular - CVE-2018-1000801

Vulnerability identifier: #VU15902

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-2018-1000801

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to conduct directory traversal attack on the target system.

The vulnerability exists due to path traversal in function "unpackDocumentArchive(...)" in "core/document.cpp". A remote unauthenticated attacker can trick the victim into opening a specially crafted Okular archive, conduct directory traversal attack and create arbitrary files.

Okular
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Power, little endian
SUSE Linux
Opensuse
Fedora
okular (Red Hat package)
okular (Debian package)
okular
SUSE Package Hub for SUSE Linux Enterprise

Install update from vendor's website.

okular (Red Hat package) - update to 4.10.5-8.el7
okular (Debian package) - update to 4:16.08.2-1+deb9u1
okular - addressed in versions 17.12.3-2.fc27, 18.04.3-2.fc28, 18.08.1-1.fc29

• https://cgit.kde.org/okular.git/commit/?id=8ff7abc14d41906ad978b6bc67e69693863b9d47

• Gentoo update for Okular
• Debian update for okular
• OpenSUSE Linux update for okular
• OpenSUSE Linux update for okular
• OpenSUSE Linux update for okular
• Red Hat Enterprise Linux 7 update for okular
• Fedora 28 update for okular
• Fedora 27 update for okular
• Fedora 29 update for okular