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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0015

Original release date:01/14/2010
Last revised:06/17/2010
Source: US-CERT/NIST

Overview

nis/nss_nis/nis-pwd.c in the GNU C Library (aka glibc or libc6) 2.7 and Embedded GLIBC (EGLIBC) 2.10.2 adds information from the passwd.adjunct.byname map to entries in the passwd map, which allows remote attackers to obtain the encrypted passwords of NIS accounts by calling the getpwnam function.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [oss-security] 20100111 Re: CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://www.openwall.com/lists/oss-security/2010/01/11/6
External Source: MLIST
Name: [oss-security] 20100109 Re: CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://www.openwall.com/lists/oss-security/2010/01/08/2
External Source: MLIST
Name: [oss-security] 20100108 Re: CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://www.openwall.com/lists/oss-security/2010/01/08/1
External Source: MLIST
Name: [oss-security] 20100107 CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://www.openwall.com/lists/oss-security/2010/01/07/3
External Source: MANDRIVA
Name: MDVSA-2010:112
Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2010:112
External Source: MANDRIVA
Name: MDVSA-2010:111
Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2010:111
External Source: CONFIRM
Name: http://svn.debian.org/viewsvn/pkg-glibc/glibc-package/trunk/debian/patches/any/submitted-nis-shadow.diff?revision=4062&view=markup
Hyperlink:http://svn.debian.org/viewsvn/pkg-glibc/glibc-package/trunk/debian/patches/any/submitted-nis-shadow.diff?revision=4062&view=markup
External Source: MISC
Name: http://sourceware.org/bugzilla/show_bug.cgi?id=11134
Hyperlink:http://sourceware.org/bugzilla/show_bug.cgi?id=11134
External Source: MLIST
Name: [oss-security] 20100111 Re: CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://marc.info/?l=oss-security&m=126320570505651&w=2
External Source: MLIST
Name: [oss-security] 20100111 Re: CVE id request: GNU libc: NIS shadow password leakage
Hyperlink:http://marc.info/?l=oss-security&m=126320356003425&w=2
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560333
Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560333

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:gnu:glibc:2.7
spacerspacerNav control image* cpe:/a:gnu:glibc:2.10.2
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0015