National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-2191 Detail

Description

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

Source:  MITRE
Description Last Modified:  04/13/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html Third Party Advisory
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html Exploit
http://seclists.org/fulldisclosure/2016/Apr/15 Third Party Advisory
http://www.debian.org/security/2016/dsa-3546 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/04/2 Third Party Advisory
http://www.securityfocus.com/archive/1/537972/100/0/threaded
http://www.ubuntu.com/usn/USN-2951-1 Third Party Advisory
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/59/ Patch

Technical Details

Vulnerability Type (View All)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2191
NVD Published Date:
04/13/2016
NVD Last Modified:
10/30/2018