CVE-2018-5802 Memory corruption in LibRaw

What is CVE-2018-5802?

CVE-2018-5802 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 7 Dec 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

An error within the "kodak_radc_load_raw()" function (internal/dcraw_common.cpp) related to the "buf" variable in LibRaw versions prior to 0.18.7 can be exploited to cause an out-of-bounds read memory access and subsequently cause a crash.

Weakness: CWE-125

Which versions are affected by CVE-2018-5802?

It affects 6 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Libraw Libraw, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-5802?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-5802 being exploited?

There is no known exploitation of CVE-2018-5802 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 DEBIAN-CVE-2018-5802, GHSA-j2qq-rw4v-jjx2, UBUNTU-CVE-2018-5802.