Vulnerability CVE-2018-20532
Published: 2018-12-28

Description:
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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Opensuse -> Libsolv 
Canonical -> Ubuntu linux 

 References:
https://access.redhat.com/errata/RHSA-2019:2290
https://bugzilla.redhat.com/show_bug.cgi?id=1652605
https://github.com/openSUSE/libsolv/pull/291
https://usn.ubuntu.com/3916-1/
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