CVE-2017-6419
Published: 6 August 2017
mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.
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 |
artful |
Not vulnerable
(uses system libmspack)
|
| 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
(0.99.2+addedllvm-0ubuntu0.14.04.2)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system libmspack)
|
|
| zesty |
Not vulnerable
(uses system libmspack)
|
|
|
Patches: upstream: https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1 |
||
|
libmspack Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(0.6-3)
|
| bionic |
Not vulnerable
(0.6-3)
|
|
| cosmic |
Not vulnerable
(0.6-3)
|
|
| disco |
Not vulnerable
(0.6-3)
|
|
| focal |
Not vulnerable
(0.6-3)
|
|
| jammy |
Not vulnerable
(0.6-3)
|
|
| kinetic |
Not vulnerable
(0.6-3)
|
|
| lunar |
Not vulnerable
(0.6-3)
|
|
| mantic |
Not vulnerable
(0.6-3)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(0.6-1)
|
|
| xenial |
Released
(0.5-1ubuntu0.16.04.1)
|
|
| zesty |
Released
(0.5-1ubuntu0.17.04.1)
|
|
|
Patches: upstream: https://github.com/kyz/libmspack/commit/6139a0b9e93fcb7fcf423e56aa825bc869e02229 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
- https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md
- https://ubuntu.com/security/notices/USN-3394-1
- https://ubuntu.com/security/notices/USN-3393-1
- https://ubuntu.com/security/notices/USN-3393-2
- https://www.cve.org/CVERecord?id=CVE-2017-6419
- NVD
- Launchpad
- Debian