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Debian Security Advisory 4164-1

Debian Security Advisory 4164-1
Posted Apr 4, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4164-1 - Several vulnerabilities have been found in the Apache HTTPD server.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-15710, CVE-2017-15715, CVE-2018-1283, CVE-2018-1301, CVE-2018-1303, CVE-2018-1312
MD5 | fb946d3e3116932e603a89dd798a5449

Debian Security Advisory 4164-1

Change Mirror Download
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4164-1 security@debian.org
https://www.debian.org/security/ Stefan Fritsch
April 03, 2018 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : apache2
CVE ID : CVE-2017-15710 CVE-2017-15715 CVE-2018-1283 CVE-2018-1301
CVE-2018-1303 CVE-2018-1312

Several vulnerabilities have been found in the Apache HTTPD server.

CVE-2017-15710

Alex Nichols and Jakob Hirsch reported that mod_authnz_ldap, if
configured with AuthLDAPCharsetConfig, could cause an of bound write
if supplied with a crafted Accept-Language header. This could
potentially be used for a Denial of Service attack.

CVE-2017-15715

Elar Lang discovered that expression specified in <FilesMatch> could
match '$' to a newline character in a malicious filename, rather
than matching only the end of the filename. This could be exploited
in environments where uploads of some files are are externally
blocked, but only by matching the trailing portion of the filename.

CVE-2018-1283

When mod_session is configured to forward its session data to CGI
applications (SessionEnv on, not the default), a remote user could
influence their content by using a "Session" header.

CVE-2018-1301

Robert Swiecki reported that a specially crafted request could have
crashed the Apache HTTP Server, due to an out of bound access after
a size limit is reached by reading the HTTP header.

CVE-2018-1303

Robert Swiecki reported that a specially crafted HTTP request header
could have crashed the Apache HTTP Server if using
mod_cache_socache, due to an out of bound read while preparing data
to be cached in shared memory.

CVE-2018-1312

Nicolas Daniels discovered that when generating an HTTP Digest
authentication challenge, the nonce sent by mod_auth_digest to
prevent reply attacks was not correctly generated using a
pseudo-random seed. In a cluster of servers using a common Digest
authentication configuration, HTTP requests could be replayed across
servers by an attacker without detection.

For the oldstable distribution (jessie), these problems have been fixed
in version 2.4.10-10+deb8u12.

For the stable distribution (stretch), these problems have been fixed in
version 2.4.25-3+deb9u4.

We recommend that you upgrade your apache2 packages.

For the detailed security status of apache2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/apache2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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