Vulnerability CVE-2012-2249 - CERT Civis.Net

Vulnerability Name:

CVE-2012-2249 (CCN-102879)

Assigned:

2012-10-20

Published:

2012-10-20

Updated:

2014-02-21

Summary:

Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the V3 link protocol.

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:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2012-2249

Source: XF
Type: UNKNOWN
tor-cve20122249-dos(102879)

Source: CCN
Type: Tor GIT Repository
Tor's source code

Source: CONFIRM
Type: UNKNOWN
https://gitweb.torproject.org/tor.git?a=blob_plain;hb=HEAD;f=ChangeLog

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2012-2249

Vulnerable Configuration:

Configuration 1:

cpe:/a:torproject:tor:0.0.2:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre13:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre14:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre15:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre16:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre17:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre18:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre19:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre20:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre21:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre22:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre23:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre24:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre25:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre26:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.2:pre27:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.3:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.4:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.5:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.6:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.6.1:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.6.2:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.7:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.7.1:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.7.2:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.7.3:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.8.1:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.1:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.2:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.3:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.4:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.5:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.6:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.7:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.8:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.9:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.0.9.10:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.10:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.11:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.12:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.13:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.14:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.15:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.16:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.0.17:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.20:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.21:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.22:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.23:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.24:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.25:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.1.26:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.13:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.14:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.15:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.16:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.17:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.18:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.1.2.19:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.30:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.31:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.32:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.33:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.34:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.0.35:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.18:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.19:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.20:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.21:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.22:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.23:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.24:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.25:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.26:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.27:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.28:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.29:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.30:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.31:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.32:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.33:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.34:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.35:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.36:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.37:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.2.38:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3:*:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.13:alpha:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.14:alpha:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.15:alpha:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.16:alpha:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.17:beta:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.18:rc:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.19:rc:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.20:rc:*:*:*:*:*:*

OR cpe:/a:torproject:tor:0.2.3.21:rc:*:*:*:*:*:*

OR cpe:/a:torproject:tor:*:rc:*:*:*:*:*:* (Version <= 0.2.3.22)

Configuration CCN 1:

cpe:/a:torproject:tor:0.2.3:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.precise:def:20122249000	V	CVE-2012-2249 on Ubuntu 12.04 LTS (precise) - medium.	2014-02-02
oval:com.ubuntu.trusty:def:20122249000	V	CVE-2012-2249 on Ubuntu 14.04 LTS (trusty) - medium.	2014-02-02
oval:com.ubuntu.xenial:def:20122249000	V	CVE-2012-2249 on Ubuntu 16.04 LTS (xenial) - medium.	2014-02-02
oval:com.ubuntu.xenial:def:201222490000000	V	CVE-2012-2249 on Ubuntu 16.04 LTS (xenial) - medium.	2014-02-02