CVE-2018-20431

GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/106300	Third Party Advisory VDB Entry
https://gnunet.org/bugs/view.php?id=5494	Exploit Issue Tracking Third Party Advisory
https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7	Patch 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 Third Party Advisory
https://www.debian.org/security/2018/dsa-4361	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:libextractor:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

History

No history.

Information

Published : 2018-12-24 05:29

Updated : 2019-01-10 19:41

NVD link : CVE-2018-20431

Mitre link : CVE-2018-20431

CVE.ORG link : CVE-2018-20431

JSON object : View

Products Affected

debian

debian_linux

gnu

libextractor

CWE

CWE-476

NULL Pointer Dereference

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