NULL Pointer Dereference Affecting libsolv-demo package, versions <0:0.6.34-4.el7
Threat Intelligence
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- published26 Jul 2021
- disclosed22 Nov 2018
Introduced: 22 Nov 2018
CVE-2018-20532 (opens in a new tab)How to fix?
Upgrade RHEL:7 libsolv-demo to version 0:0.6.34-4.el7 or higher.
This issue was patched in RHSA-2019:2290.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libsolv-demo package and not the libsolv-demo package as distributed by RHEL.
See How to fix? for RHEL:7 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
- https://access.redhat.com/security/cve/CVE-2018-20532
- https://bugzilla.redhat.com/show_bug.cgi?id=1652605
- https://github.com/openSUSE/libsolv/pull/291
- 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/