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SecurityAlert : 3073 CVE : CVE-2007-4577 SecurityRisk : Medium  (About) Remote Exploit : No Local Exploit : Yes Exploit Available : No Credit : Sophos Antivirus UPX Published : 29.08.2007
Advisory Content : n.runs AG http://www.nruns.com/ security(at)nruns.com n.runs-SA-2007.026 24-Aug-2007 ________________________________________________________________________ Vendor: Sophos, http://www.sophos.com Affected Products: Sophos Anti-Virus for Windows Sophos Anti-Virus for Unix/Linux Vulnerability: Infinite Loop DoS (remote) Risk: MEDIUM ________________________________________________________________________ Vendor communication: 2007/05/07 initial notification to Sophos 2007/05/09 Sophos Response 2007/05/14 PGP public keys exchange 2007/05/14 PoC files sent to Sophos 2007/05/17 Sophos acknowledged the PoC files 2007/05/17 Sophos Corporation validate the Vulnerability 2007/05/17 Sophos notify tentative update release date 2007/07/31 Sophos notify a delay in the update release date 2007/08/23 Sophos released Update with fixes ________________________________________________________________________ Overview: Sophos is a world leader in IT security and control solutions purpose-built for business, education, government organizations and service providers. Their reliably engineered, easy-to-operate products protect over 100 million users in more than 150 countries from viruses, spyware, adware, Trojans, intrusion, spam, policy abuse, and uncontrolled network access. Description: A remotely exploitable vulnerability has been found in the file parsing engine. In detail, the following flaw was determined: - Infinite Loop in GZip file parsing Impact: This problem can lead to a remote Denial of Service (DoS) situation through high CPU consumption and exhaustion of storage resources if an attacker carefully crafts a file that exploits the aforementioned vulnerability. The vulnerability is present in Sophos Anti-virus software mentioned above on all platforms supported by the affected products prior to the engine Version 2.48.0. Solution: The vulnerability was reported on 07.May.2007 and an update has been issued on 23.Aug.2007 to solve this vulnerability. For detailed information about the fixes follow the link in the References [1] section of this document. n.runs AG wants to highlight the excellent and fluent communication with Sophos. ________________________________________________________________________ Credit: Bugs found by Sergio Alvarez of n.runs AG. ________________________________________________________________________ References: http://www.sophos.com/support/knowledgebase/article/28407.html [1] This Advisory and Upcoming Advisories: http://www.nruns.com/security_advisory.php ________________________________________________________________________ Unaltered electronic reproduction of this advisory is permitted. For all other reproduction or publication, in printing or otherwise, contact security (at) nruns (dot) com [email concealed] for permission. Use of the advisory constitutes acceptance for use in an "as is" condition. All warranties are excluded. In no event shall n.runs be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if n.runs has been advised of the possibility of such damages. Copyright 2007 n.runs AG. All rights reserved. Terms of use apply.  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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Allow attacker to denial of service apache 2.2.17 server |
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