CVE-2018-14682
Published: 28 July 2018
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.
Notes
| Author | Note |
|---|---|
| mdeslaur | clamav in xenial+ uses the system libmspack, trusty uses the embedded one. |
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)
|
|
| trusty |
Released
(0.100.1+dfsg-1ubuntu0.14.04.3)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system libmspack)
|
|
|
libmspack Launchpad, Ubuntu, Debian |
bionic |
Released
(0.6-3ubuntu0.1)
|
| cosmic |
Not vulnerable
(0.7-1)
|
|
| disco |
Not vulnerable
(0.7-1)
|
|
| focal |
Not vulnerable
(0.7-1)
|
|
| jammy |
Not vulnerable
(0.7-1)
|
|
| kinetic |
Not vulnerable
(0.7-1)
|
|
| lunar |
Not vulnerable
(0.7-1)
|
|
| mantic |
Not vulnerable
(0.7-1)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(0.7)
|
|
| xenial |
Released
(0.5-1ubuntu0.16.04.2)
|
|
|
Patches: upstream: https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
- http://www.openwall.com/lists/oss-security/2018/07/26/1
- https://ubuntu.com/security/notices/USN-3728-1
- https://ubuntu.com/security/notices/USN-3728-2
- https://ubuntu.com/security/notices/USN-3728-3
- https://ubuntu.com/security/notices/USN-3789-2
- https://www.cve.org/CVERecord?id=CVE-2018-14682
- NVD
- Launchpad
- Debian