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Panda Remote Heap Overflow

CVE	Category	Price	Severity
N/A	CWE-122	N/A	High

Author	Risk	Exploitation Type	Date
Unknown	High	Remote	2005-12-12

CVSS	EPSS	EPSSP
CVSS:4.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	0.9381	0.999031

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	Low	AC	The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required	None	PR	The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction	None	UI	The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope		S	An exploited vulnerability can affect resources beyond the security scope managed by the security authority that is managing the vulnerable component. This is often referred to as a 'privilege escalation,' where the attacker can use the exploited vulnerability to gain control of resources that were not intended or authorized.
Confidentiality	High	C	There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity	High	I	There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability	High	A	There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2005110073

Below is a copy:

Date
November 29, 2005

Vulnerability
The Panda Antivirus Library provides file format support for virus analysis. During decompression of ZOO files Panda is vulnerable to a heap overflow allowing attackers complete control of the system(s) being protected. This vulnerability can be exploited remotely without user interaction in default configurations through common protocols such as SMTP.

Impact
Successful exploitation of Panda protected systems allows attackers unauthorized control of data and related privileges. It also provides leverage for further network compromise. Panda implementations are likely vulnerable in their default configuration.

Affected Products
Due to the library??s modular design and core functionality: it is likely this vulnerability affects a substantial portion of Panda??s gateway, server, and client antivirus enabled product lines on most platforms.

http://www.pandasoftware.com/

Note: this library is also licensed to other venders with implementations that are likely affected, refer to Panda for specifics.

Details
http://www.rem0te.com/public/images/panda.pdf

Credit
This vulnerability was discovered and researched by Alex Wheeler.

Contact
security (at) rem0te (dot) com [email concealed]

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