NULL Pointer Dereference Affecting libsolv-devel package, versions <0:0.6.34-4.el7
Threat Intelligence
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- published10 Apr 2022
- disclosed28 Dec 2018
Introduced: 28 Dec 2018
CVE-2018-20533 (opens in a new tab)How to fix?
Upgrade Oracle:7 libsolv-devel to version 0:0.6.34-4.el7 or higher.
This issue was patched in ELSA-2019-2290.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libsolv-devel package and not the libsolv-devel package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
There is a NULL pointer dereference at ext/testcase.c (function testcase_str2dep_complex) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.
References
- https://linux.oracle.com/cve/CVE-2018-20533.html
- https://linux.oracle.com/errata/ELSA-2019-2290.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
- https://access.redhat.com/errata/RHSA-2019:2290
- https://bugzilla.redhat.com/show_bug.cgi?id=1652599
- https://github.com/openSUSE/libsolv/pull/291
- https://usn.ubuntu.com/3916-1/