PT-2009-2173 · Gsc Game World · S.T.A.L.K.E.R.: Shadow Of Chernobyl

Published 2009-04-10 · Updated 2017-08-17 · CVE-2008-6704

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions S.T.A.L.K.E.R.: Shadow of Chernobyl versions 1.0006 and earlier

Description The issue is caused by an integer overflow in the NET Compressor::Decompress function, allowing remote attackers to cause a denial of service (server crash) via a crafted packet. This packet contains a 0xc1 value with no compressed data, triggering a copy of a large amount of memory.

Recommendations For S.T.A.L.K.E.R.: Shadow of Chernobyl versions 1.0006 and earlier, consider disabling the NET Compressor::Decompress function as a temporary workaround until a patch is available. Restrict access to the NET Compressor module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2008-6704

Affected Products

S.T.A.L.K.E.R.: Shadow Of Chernobyl

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2008-6704 · Security Note
• http://secunia.com/advisories/30891 · Vendor Advisory
• http://securityfocus.com/archive/1/493765 · Note
• http://aluigi.altervista.org/adv/stalker39x-adv.txt · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/43456 · Note
• http://osvdb.org/46627 · Note
• http://securityfocus.com/bid/29997 · Note