NULL Pointer Dereference Affecting libsolv package, versions <0.6.5-2ubuntu1
Threat Intelligence
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Start learning- Snyk IDSNYK-UBUNTU2004-LIBSOLV-578959
- published28 Dec 2018
- disclosed28 Dec 2018
Introduced: 28 Dec 2018
CVE-2018-20532 (opens in a new tab)How to fix?
Upgrade Ubuntu:20.04 libsolv to version 0.6.5-2ubuntu1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libsolv package and not the libsolv package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
There is a NULL pointer dereference at ext/testcase.c (function testcase_read) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20532
- https://security-tracker.debian.org/tracker/CVE-2018-20532
- https://github.com/openSUSE/libsolv/pull/291
- https://bugzilla.redhat.com/show_bug.cgi?id=1652605
- https://access.redhat.com/errata/RHSA-2019:2290
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
- https://usn.ubuntu.com/3916-1/