CVE-2017-14121
Publication date 3 September 2017
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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)
Status
Package | Ubuntu Release | Status |
---|---|---|
unrar-free | ||
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Fixed 1:0.0.1+cvs20140707-4~build0.16.04.1
|
|
14.04 LTS trusty |
Fixed 1:0.0.1+cvs20071127-2+deb7u1ubuntu0.1~esm1
|
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score |
|
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 |