CVE-2018-20534
Published: 28 December 2018
** DISPUTED ** 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.
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 |
bionic |
Released
(0.6.30-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
| 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)
|
|
| groovy |
Released
(0.6.5-2ubuntu1)
|
|
| hirsute |
Released
(0.6.5-2ubuntu1)
|
|
| impish |
Released
(0.6.5-2ubuntu1)
|
|
| jammy |
Released
(0.6.5-2ubuntu1)
|
|
| kinetic |
Released
(0.6.5-2ubuntu1)
|
|
| lunar |
Released
(0.6.5-2ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.7.3)
|
|
| xenial |
Released
(0.6.11-1.1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
|
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 |