CVE-2018-0499 xapian-core Cross-site Scripting vulnerability

What is CVE-2018-0499?

CVE-2018-0499 is a medium-severity cross-site scripting vulnerability in Canonical Ubuntu Linux, published on 2 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 1.4.6 exists due to incomplete HTML escaping by Xapian::MSet::snippet().

Weakness: CWE-79

Which versions are affected by CVE-2018-0499?

2 open source packages ship an affected version, including xapian-core. It affects 2 products.

Products include Canonical Ubuntu Linux, Xapian Xapian-Core.

How do I fix CVE-2018-0499?

Upgrade xapian-core to 1.4.6 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2018-0499 being exploited?

There is no known exploitation of CVE-2018-0499 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-0499, DEBIAN-CVE-2018-0499, GHSA-7qw4-w7hf-22q3, UBUNTU-CVE-2018-0499, USN-3709-1, openSUSE-SU-2024:11516-1.