Jorg Ruppel Zoidcom 1.0 Beta 2/1.0 Beta 3/1.0 Beta 4 deserialize memory corruption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Jorg Ruppel Zoidcom 1.0 Beta 2/1.0 Beta 3/1.0 Beta 4. It has been classified as problematic. This affects the function zcom_bitstream::deserialize. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2005-1643. Moreover, an exploit is present. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Jorg Ruppel Zoidcom 1.0 Beta 2/1.0 Beta 3/1.0 Beta 4. This issue affects the function zcom_bitstream::deserialize. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The ZCom_BitStream::Deserialize function in Zoidcom 1.0 beta 4 and earlier allows remote attackers to cause a denial of service via a crafted UDP packet with a large size value, which causes a memory allocation error or an out-of-bounds read.

The weakness was disclosed 05/10/2005 by Luigi Auriemma (Website). It is possible to read the advisory at zoidcom.com. The identification of this vulnerability is CVE-2005-1643 since 05/17/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known.

After before and not just, there has been an exploit disclosed. The exploit is available at aluigi.altervista.org. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (20511), OSVDB (16495†) and SecurityTracker (ID 1013939†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Jorg Ruppel

Name

Zoidcom

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/10/2005 🔍
05/10/2005 +0 days 🔍
05/11/2005 +0 days 🔍
05/14/2005 +3 days 🔍
05/17/2005 +2 days 🔍
05/17/2005 +0 days 🔍
03/11/2015 +3585 days 🔍
07/09/2018 +1216 days 🔍

Sourcesinfo

Advisory: zoidcom.com
Researcher: Luigi Auriemma
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-1643 (🔍)
GCVE (CVE): GCVE-0-2005-1643
GCVE (VulDB): GCVE-100-25247
X-Force: 20511 - Zoidcom Deserialize denial of service
OSVDB: 16495 - Zoidcom ZCom_BitStream::Deserialize Function Remote Overflow DoS
SecurityTracker: 1013939

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/11/2015 11:41
Updated: 07/09/2018 08:50
Changes: 03/11/2015 11:41 (54), 07/09/2018 08:50 (8)
Complete: 🔍
Cache ID: 216:F5D:103