CVE-2018-20430
Published: 24 December 2018
GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.
From the Ubuntu Security Team
It was discovered that Libextractor incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service.
Priority
Status
Package | Release | Status |
---|---|---|
libextractor Launchpad, Ubuntu, Debian |
xenial |
Released
(1:1.3-4+deb9u3build0.16.04.1)
|
trusty |
Released
(1:1.3-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
groovy |
Not vulnerable
(1:1.9-2)
|
|
jammy |
Not vulnerable
(1:1.9-2)
|
|
kinetic |
Not vulnerable
(1:1.9-2)
|
|
lunar |
Not vulnerable
(1:1.9-2)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Not vulnerable
(1:1.8-2)
|
|
eoan |
Not vulnerable
(1:1.9-2)
|
|
focal |
Not vulnerable
(1:1.9-2)
|
|
hirsute |
Not vulnerable
(1:1.9-2)
|
|
impish |
Not vulnerable
(1:1.9-2)
|
|
upstream |
Released
(1:1.3-2+deb8u4, 1:1.8-2)
|
|
mantic |
Not vulnerable
(1:1.9-2)
|
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 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20430
- https://gnunet.org/bugs/view.php?id=5493
- https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110
- https://gnunet.org/git/libextractor.git/tree/ChangeLog
- https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html
- https://ubuntu.com/security/notices/USN-4641-1
- NVD
- Launchpad
- Debian