CVE-2018-20431
Ubuntu Security Notice USN-4641-1
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
1Exploited in Wild
-Decision
Descriptions
GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
GNU Libextractor, hasta la versión 1.8, tiene una desreferencia de puntero NULL en la función process_metadata() en plugins/ole2_extractor.c.
It was discovered that Libextractor incorrectly handled zero sample rate. An attacker could possibly use this issue to cause a denial of service. It was discovered that Libextractor incorrectly handled certain FLAC metadata. An attacker could possibly use this issue to cause a denial of service. It was discovered that Libextractor incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2018-12-23 CVE Reserved
- 2018-12-24 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2025-05-22 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/106300 | Third Party Advisory | |
| https://gnunet.org/git/libextractor.git/tree/ChangeLog | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://gnunet.org/bugs/view.php?id=5494 | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7 | 2019-01-10 |
| URL | Date | SRC |
|---|---|---|
| https://www.debian.org/security/2018/dsa-4361 | 2019-01-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gnu Search vendor "Gnu" | Libextractor Search vendor "Gnu" for product "Libextractor" | <= 1.8 Search vendor "Gnu" for product "Libextractor" and version " <= 1.8" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||