CVE-2018-7725 Null dereference in n/a

What is CVE-2018-7725?

CVE-2018-7725 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 6 Mar 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 issue was discovered in ZZIPlib 0.13.68. An invalid memory address dereference was discovered in zzip_disk_fread in mmapped.c. The vulnerability causes an application crash, which leads to denial of service.

Weakness: CWE-119

Which versions are affected by CVE-2018-7725?

It affects 5 products.

Products include Canonical Ubuntu Linux, Gdraheim Zziplib, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-7725?

Upgrade to a fixed version.

Is CVE-2018-7725 being exploited?

There is no known exploitation of CVE-2018-7725 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-2018-7725, GHSA-6p82-pvmc-xqj5, UBUNTU-CVE-2018-7725.