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osvGoogleOSV:DSA-2991-1
HistoryJul 27, 2014 - 12:00 a.m.

modsecurity-apache - security update

2014-07-2700:00:00
Google
osv.dev
7

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

Martin Holst Swende discovered a flaw in the way chunked requests are
handled in ModSecurity, an Apache module whose purpose is to tighten the
Web application security. A remote attacker could use this flaw to
bypass intended mod_security restrictions by using chunked transfer
coding with a capitalized Chunked value in the Transfer-Encoding HTTP
header, allowing to send requests containing content that should have
been removed by mod_security.

For the stable distribution (wheezy), this problem has been fixed in
version 2.6.6-6+deb7u2.

For the testing distribution (jessie), this problem has been fixed in
version 2.7.7-1.

For the unstable distribution (sid), this problem has been fixed in
version 2.7.7-1.

We recommend that you upgrade your modsecurity-apache packages.

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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