Vulnerability CVE-2010-2448

Vulnerability Name:

CVE-2010-2448 (CCN-59613)

Assigned:

2010-06-21

Published:

2010-06-21

Updated:

2010-07-12

Summary:

znc.cpp in ZNC before 0.092 allows remote authenticated users to cause a denial of service (crash) by requesting traffic statistics when there is an active unauthenticated connection, which triggers a NULL pointer dereference, as demonstrated using (1) a traffic link in the web administration pages or (2) the traffic command in the /znc shell.
Per: http://cwe.mitre.org/data/definitions/476.html

'CWE-476: NULL Pointer Dereference'

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:

3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)
2.6 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
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: UNKNOWN
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929

Source: MITRE
Type: CNA
CVE-2010-2448

Source: CCN
Type: ZNC Web site
ZNC

Source: FEDORA
Type: UNKNOWN
FEDORA-2010-10042

Source: FEDORA
Type: UNKNOWN
FEDORA-2010-10078

Source: FEDORA
Type: UNKNOWN
FEDORA-2010-10082

Source: SECUNIA
Type: Vendor Advisory
40523

Source: CONFIRM
Type: UNKNOWN
http://sourceforge.net/projects/znc/files/znc/0.092/znc-0.092-changelog.txt/view

Source: DEBIAN
Type: UNKNOWN
DSA-2069

Source: DEBIAN
Type: DSA-2069
znc -- denial of service

Source: CCN
Type: OSVDB ID: 66236
Debian ZNC znc.cpp Traffic Statistics Processing NULL Dereference Remote DoS

Source: BID
Type: UNKNOWN
40982

Source: CCN
Type: BID-40982
ZNC NULL Pointer Dereference Denial Of Service Vulnerability

Source: VUPEN
Type: Vendor Advisory
ADV-2010-1775

Source: MISC
Type: UNKNOWN
http://znc.svn.sourceforge.net/viewvc/znc/trunk/znc.cpp?r1=2025&r2=2026&pathrev=2026

Source: CONFIRM
Type: Patch
http://znc.svn.sourceforge.net/viewvc/znc?revision=2026&view=revision

Source: CCN
Type: Red Hat Bugzilla Bug 603915
znc: NULL pointer dereference flaw leads to segfault under certain conditions

Source: XF
Type: UNKNOWN
znc-traffic-dos(59613)

Vulnerable Configuration:

Configuration 1:

cpe:/a:znc:znc:0.034:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.041:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.043:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.044:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.045:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.047:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.050:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.052:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.054:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.056:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.058:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.060:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.062:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.064:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.066:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.068:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.070:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.072:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.074:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.076:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.078:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:0.080:*:*:*:*:*:*:*

OR cpe:/a:znc:znc:*:*:*:*:*:*:*:* (Version <= 0.090)

Configuration CCN 1:

cpe:/a:znc:znc:0.064:*:*:*:*:*:*:*