Medium severity · published Dec 28, 2018
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
6.5
CVSS
2.2%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libsolv · Opensuse
through 0.7.2 · source: NVD
UL
Ubuntu Linux · Canonical
18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20534
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20534
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00057.html
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2290
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3583
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1652604
Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=1120631
Patch
https://github.com/openSUSE/libsolv/pull/291
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