National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-4788 Detail

Current Description

The PTR_MANGLE implementation in the GNU C Library (aka glibc or libc6) 2.4, 2.17, and earlier, and Embedded GLIBC (EGLIBC) does not initialize the random value for the pointer guard, which makes it easier for context-dependent attackers to control execution flow by leveraging a buffer-overflow vulnerability in an application and using the known zero value pointer guard to calculate a pointer address.

Source:  MITRE
Description Last Modified:  10/04/2013
View Analysis Description

Evaluator Description

Additional information that was taken into consideration while scoring: https://bugzilla.redhat.com/show_bug.cgi?id=985625

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.1 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://hmarco.org/bugs/CVE-2013-4788.html Exploit Patch
http://seclists.org/fulldisclosure/2015/Sep/23
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
http://www.openwall.com/lists/oss-security/2013/07/15/9 Exploit Patch
http://www.securityfocus.com/bid/61183
https://security.gentoo.org/glsa/201503-04

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-4788
NVD Published Date:
10/04/2013
NVD Last Modified:
06/30/2017