CVE-2018-20534: Buffer Overflow
First published: Fri Dec 28 2018(Updated: )
** DISPUTED ** There is an illegal address access at ext/testcase.c in libsolv.a in libsolv through 0.7.2 that will cause a denial of service. NOTE: third parties dispute this issue stating that the issue affects the test suite and not the underlying library. It cannot be exploited in any real-world application.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensuse Libsolv | <=0.7.2 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/libsolv | 0.7.17-1+deb11u1 0.7.23-1+deb12u1 0.7.30-1 0.7.30-2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
- https://access.redhat.com/errata/RHSA-2019:2290
- https://access.redhat.com/errata/RHSA-2019:3583
- https://bugzilla.redhat.com/show_bug.cgi?id=1652604
- https://bugzilla.suse.com/show_bug.cgi?id=1120631
- https://github.com/openSUSE/libsolv/pull/291
- https://usn.ubuntu.com/3916-1/
- https://launchpad.net/bugs/cve/CVE-2018-20534
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1652604
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1665539
- https://access.redhat.com/security/cve/cve-2018-20534
- https://bugzilla.redhat.com/show_bug.cgi?id=1665538
- https://github.com/openSUSE/libsolv/commit/4830af9d979d3685de538b80fbeba51ad590525e
- https://security-tracker.debian.org/tracker/CVE-2018-20534
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20534
- https://nvd.nist.gov/vuln/detail/CVE-2018-20534
- https://ubuntu.com/security/CVE-2018-20534
Frequently Asked Questions
What is the vulnerability ID?
CVE-2018-20534
What is the severity of CVE-2018-20534?
The severity of CVE-2018-20534 is medium (6.5).
Which software is affected by CVE-2018-20534?
The software affected by CVE-2018-20534 is libsolv.
How can CVE-2018-20534 be exploited?
CVE-2018-20534 cannot be exploited in any real-world scenario.
How can I fix CVE-2018-20534?
To fix CVE-2018-20534, update to version 0.7.17-1, 0.7.23-1, or 0.7.25-1 of libsolv.
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