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Debian Security Advisory DSA 1834-2 (apache2)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.1

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

6 years ago

Summary

The remote host is missing an update to apache2 announced via advisory DSA 1834-2.

Insight

Insight

The previous update caused a regression for apache2 in Debian 4.0 etch. Using mod_deflate together with mod_php could cause segfaults when a client aborts a connection. This update corrects this flaw. For reference the original advisory text is below. A denial of service flaw was found in the Apache mod_proxy module when it was used as a reverse proxy. A remote attacker could use this flaw to force a proxy process to consume large amounts of CPU time. This issue did not affect Debian 4.0 etch. (CVE-2009-1890) A denial of service flaw was found in the Apache mod_deflate module. This module continued to compress large files until compression was complete, even if the network connection that requested the content was closed before compression completed. This would cause mod_deflate to consume large amounts of CPU if mod_deflate was enabled for a large file. A similar flaw related to HEAD requests for compressed content was also fixed. (CVE-2009-1891) The oldstable distribution (etch), this problem has been fixed in version 2.2.3-4+etch10. The other distributions stable (lenny), testing (squeeze) and unstable (sid) were not affected by the regression. This advisory also provides updated apache2-mpm-itk packages which have been recompiled against the new apache2 packages. Updated packages for apache2-mpm-itk for the s390 architecture are not included yet. They will be released as soon as they become available. We recommend that you upgrade your apache2 (2.2.3-4+etch10), apache2-mpm-itk

Solution

Solution

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201834-2

Common Vulnerabilities and Exposures (CVE)