Vulnerability CVE-2014-8132

Vulnerability Name:

CVE-2014-8132 (CCN-99751)

Assigned:

2014-12-19

Published:

2014-12-19

Updated:

2018-10-30

Summary:

Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.

CWE-415: Double Free

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

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

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-Other

Vulnerability Consequences:

Denial of Service

References:

Source: CONFIRM
Type: Third Party Advisory
http://advisories.mageia.org/MGASA-2015-0014.html

Source: MITRE
Type: CNA
CVE-2014-8132

Source: FEDORA
Type: Third Party Advisory
FEDORA-2014-17354

Source: FEDORA
Type: Third Party Advisory
FEDORA-2014-17303

Source: FEDORA
Type: Third Party Advisory
FEDORA-2014-17324

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2015:0017

Source: SECUNIA
Type: UNKNOWN
60838

Source: DEBIAN
Type: Third Party Advisory
DSA-3488

Source: CCN
Type: libssh Web site
libssh 0.6.4 (Security and bugfix release)

Source: CONFIRM
Type: Patch, Vendor Advisory
http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/

Source: MANDRIVA
Type: Third Party Advisory
MDVSA-2015:020

Source: CCN
Type: BID-71865
libssh 'kex.c' Double Free Denial of Service Vulnerability

Source: UBUNTU
Type: Third Party Advisory
USN-2478-1

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1158089

Source: XF
Type: UNKNOWN
libssh-cve20148132-dos(99751)

Source: GENTOO
Type: Third Party Advisory
GLSA-201606-12

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-8132

Vulnerable Configuration:

Configuration 1:

cpe:/a:libssh:libssh:0.5.0:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.2:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.3:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.4:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.5:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.6.0:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.6.1:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.6.2:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.6.3:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3:

cpe:/o:opensuse:opensuse:12.3:*:*:*:*:*:*:*

OR cpe:/o:opensuse:opensuse:13.1:*:*:*:*:*:*:*

OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

Configuration 4:

cpe:/o:fedoraproject:fedora:19:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:20:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:21:*:*:*:*:*:*:*

Configuration 5:

cpe:/o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:libssh:libssh:0.5.2:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.1:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.0:*:*:*:*:*:*:*

OR cpe:/a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*