CVE-2017-14121
Published: 3 September 2017
The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.
From the Ubuntu Security Team
It was discovered that UnRAR mishandled specially crafted RAR archives. An attacker could use this vulnerability to cause a denial of service (crash)
Priority
Status
| Package | Release | Status |
|---|---|---|
|
unrar-free Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(1:0.0.1+cvs20140707-4)
|
|
| cosmic |
Not vulnerable
(1:0.0.1+cvs20140707-4)
|
|
| disco |
Not vulnerable
(1:0.0.1+cvs20140707-4)
|
|
| trusty |
Released
(1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(1:0.0.1+cvs20140707-4)
|
|
| xenial |
Released
(1:0.0.1+cvs20140707-4~build0.16.04.1)
|
|
| zesty |
Ignored
(end of life)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |