CVE-2018-20532
Published: 28 December 2018
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.
From the Ubuntu Security Team
It was discovered that libsolv incorrectly handled certain malformed input. An attacker could use this issue to cause libsolv to crash, resulting in a denial of service.
Priority
Status
Package | Release | Status |
---|---|---|
libsolv Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
cosmic |
Released
(0.6.35-2ubuntu0.18.10.1)
|
|
disco |
Released
(0.6.5-2ubuntu1)
|
|
eoan |
Released
(0.6.5-2ubuntu1)
|
|
focal |
Released
(0.6.5-2ubuntu1)
|
|
impish |
Released
(0.6.5-2ubuntu1)
|
|
groovy |
Released
(0.6.5-2ubuntu1)
|
|
hirsute |
Released
(0.6.5-2ubuntu1)
|
|
jammy |
Released
(0.6.5-2ubuntu1)
|
|
upstream |
Released
(0.7.3)
|
|
kinetic |
Released
(0.6.5-2ubuntu1)
|
|
xenial |
Released
(0.6.11-1.1ubuntu0.1~esm1)
|
|
bionic |
Released
(0.6.30-1ubuntu0.1~esm1)
|
|
lunar |
Released
(0.6.5-2ubuntu1)
|
|
Patches: upstream: https://github.com/openSUSE/libsolv/commit/4830af9d979d3685de538b80fbeba51ad590525e |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |