CVE-2018-18585
Publication date 22 October 2018
Last updated 24 July 2024
Ubuntu priority
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).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| clamav | 24.10 oracular |
Not affected
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Fixed 0.100.2+dfsg-1ubuntu0.14.04.2
|
|
| libmspack | 24.10 oracular |
Not affected
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Fixed 0.6-3ubuntu0.2
|
|
| 16.04 LTS xenial |
Fixed 0.5-1ubuntu0.16.04.3
|
|
| 14.04 LTS trusty |
Vulnerable
|
Notes
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
4.3 · Medium
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-3814-1
- libmspack vulnerabilities
- 12 November 2018
- USN-3814-2
- ClamAV vulnerabilities
- 13 November 2018
- USN-3814-3
- ClamAV vulnerabilities
- 13 November 2018