Buffer overflow in Canonical Ubuntu Linux
CVE-2018-20534
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
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 18.10
- openSUSE Libsolv
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- github.com/openSUSE/libsolv/pull/291 (Patch, Third Party Advisory)
- usn.ubuntu.com/3916-1/ (vendor-advisory, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2019:2290 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3583 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20534?
- CVE-2018-20534 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-12-28.
- How severe is CVE-2018-20534?
- Medium severity. CVSS v3 base score is 6.5 out of 10.