Medium severity · published Dec 28, 2018
CVE-2018-20533
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
6.5
CVSS
2.1%
EPSS
No
On KEV
Description
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.
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)2.1% · higher than 81% 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-2018-20533
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20533
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
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1652599
Patch
https://github.com/openSUSE/libsolv/pull/291
Third Party Advisory
https://usn.ubuntu.com/3916-1/
More from Ubuntu Linux
9.8
CVE-2020-11651
SaltStack Salt Authentication Bypass Vulnerability
9.8
CVE-2020-7247
OpenSMTPD Remote Code Execution Vulnerability
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2019-16928
Exim Out-of-bounds Write Vulnerability
9.8
CVE-2019-10149
Exim Mail Transfer Agent (MTA) Improper Input Validation