CVE-2018-18585
Published: 22 October 2018
chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
Notes
| Author | Note |
|---|---|
| alexmurray |
We released clamav 0.100.2+dfsg-1ubuntu0.1X.04.2 for precise/esm and trusty, but subsequently were notified the bundled libmspack is not actually vulnerable in this case, because ClamAV assigns a filename with a generated hash. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
clamav
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system libmspack)
|
| cosmic |
Not vulnerable
(uses system libmspack)
|
|
| disco |
Not vulnerable
(uses system libmspack)
|
|
| focal |
Not vulnerable
(uses system libmspack)
|
|
| jammy |
Not vulnerable
(uses system libmspack)
|
|
| kinetic |
Not vulnerable
(uses system libmspack)
|
|
| lunar |
Not vulnerable
(uses system libmspack)
|
|
| mantic |
Not vulnerable
(uses system libmspack)
|
|
| noble |
Not vulnerable
(uses system libmspack)
|
|
| trusty |
Released
(0.100.2+dfsg-1ubuntu0.14.04.2)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system libmspack)
|
|
|
libmspack
Launchpad, Ubuntu, Debian |
bionic |
Released
(0.6-3ubuntu0.2)
|
| cosmic |
Released
(0.7-1ubuntu0.1)
|
|
| disco |
Not vulnerable
(0.9.1-1)
|
|
| focal |
Not vulnerable
(0.9.1-1)
|
|
| jammy |
Not vulnerable
(0.9.1-1)
|
|
| kinetic |
Not vulnerable
(0.9.1-1)
|
|
| lunar |
Not vulnerable
(0.9.1-1)
|
|
| mantic |
Not vulnerable
(0.9.1-1)
|
|
| noble |
Not vulnerable
(0.9.1-1)
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(0.5-1ubuntu0.16.04.3)
|
|
|
Patches:
upstream: https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |