CVE-2017-11189: rarzilla unrar-free NULL Pointer Dereference
Vulnerability summary
CVE-2017-11189 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in rarzilla unrar-free. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 12-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which could be relevant if unrarlib is used as library code for a long-running application. NOTE: one of the several test cases in the references may be the same as what was separately reported as CVE-2017-14121.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.31% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMy Exploits
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- unrar-free< 1:0.0.1+cvs20140707-4
Rarzilla1 product
- unrar-free0.0.1
Ubuntu1 product
- unrar-freeAll versions (No fix recorded)
3 vendors · 3 products
References
4 links- github.com/0x09AL/my-exploits/tree/master/pocs/unrar-free/dosX Refsource MISCExploitThird Party AdvisoryREPORT
