National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-1781 Detail

Current Description

Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response, which triggers a call with a misaligned buffer.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
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://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory
http://www.securityfocus.com/bid/74255 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1032178 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory
https://rhn.redhat.com/errata/RHSA-2015-0863.html Third Party Advisory
https://security.gentoo.org/glsa/201602-02 Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=18287 Issue Tracking Third Party Advisory
https://sourceware.org/git/?p=glibc.git;a=commit;h=2959eda9272a03386 Third Party Advisory
https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html Mailing List Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.21

Configuration 3 ( hide )
 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-1781
NVD Published Date:
09/28/2015
NVD Last Modified:
06/17/2019