Title	:	Critical: HelixPlayer security update
Name	:	RHSA-2010:0094-02	First Publication	:	2010-02-09
Vendor	:		Last Modification	:	2010-02-09
Revision	:	N/A
Severity (Vendor)	:	N/A

Cvss Base Score	:	9.3	Attack Range	:	Network
Cvss Impact Score	:	10	Attack Complexity	:	Medium
Cvss Expoit Score	:	8.6	Authentification	:	None Required
Calculate full CVSS 2.0 Vectors scores

: Problem Description:

An updated HelixPlayer package that fixes several security issues is now
available for Red Hat Enterprise Linux 4.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ppc, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, x86_64
Red Hat Enterprise Linux WS version 4 - i386, x86_64

3. Description:

HelixPlayer is a media player.

Multiple buffer and integer overflow flaws were found in the way
HelixPlayer processed Graphics Interchange Format (GIF) files. An attacker
could create a specially-crafted GIF file which would cause HelixPlayer to
crash or, potentially, execute arbitrary code when opened. (CVE-2009-4242,
CVE-2009-4245)

A buffer overflow flaw was found in the way HelixPlayer processed
Synchronized Multimedia Integration Language (SMIL) files. An attacker
could create a specially-crafted SMIL file which would cause HelixPlayer to
crash or, potentially, execute arbitrary code when opened. (CVE-2009-4257)

A buffer overflow flaw was found in the way HelixPlayer handled the Real
Time Streaming Protocol (RTSP) SET_PARAMETER directive. A malicious RTSP
server could use this flaw to crash HelixPlayer or, potentially, execute
arbitrary code. (CVE-2009-4248)

Multiple buffer overflow flaws were discovered in the way HelixPlayer
handled RuleBook structures in media files and RTSP streams.
Specially-crafted input could cause HelixPlayer to crash or, potentially,
execute arbitrary code. (CVE-2009-4247, CVE-2010-0417)

A buffer overflow flaw was found in the way HelixPlayer performed URL
un-escaping. A specially-crafted URL string could cause HelixPlayer to
crash or, potentially, execute arbitrary code. (CVE-2010-0416)

All HelixPlayer users are advised to upgrade to this updated package,
which contains backported patches to resolve these issues. All running
instances of HelixPlayer must be restarted for this update to take effect.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

561309 - CVE-2009-4257 HelixPlayer / RealPlayer: SMIL getAtom heap buffer overflow
561338 - CVE-2009-4247 HelixPlayer / RealPlayer: RTSP client ASM RuleBook stack buffer overflow
561361 - CVE-2009-4248 HelixPlayer / RealPlayer: RTSP SET_PARAMETER buffer overflow
561436 - CVE-2009-4242 HelixPlayer / RealPlayer: GIF file heap overflow
561441 - CVE-2009-4245 HelixPlayer / RealPlayer: compressed GIF heap overflow
561856 - CVE-2010-0416 HelixPlayer / RealPlayer: URL unescape buffer overflow
561860 - CVE-2010-0417 HelixPlayer / RealPlayer: rule book handling heap corruption

CWE-119 - Failure to Constrain Operations within the Bounds of a Memory Buffer

oval:org.mitre.oval:def:11364, Buffer overflow in common/util/rlstate.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a RuleBook structure with a large number of rule-separator char
oval:org.mitre.oval:def:10641, Buffer overflow in the RTSPProtocol::HandleSetParameterRequest function in client/core/rtspprotocol.cpp in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPla
oval:org.mitre.oval:def:10847, Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code
oval:org.mitre.oval:def:11110, Heap-based buffer overflow in datatype/smil/common/smlpkt.cpp in smlrender.dll in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux Re
oval:org.mitre.oval:def:9998, Heap-based buffer overflow in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote att
oval:org.mitre.oval:def:10144, Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac
oval:org.mitre.oval:def:10677, Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1

oval:org.mitre.oval:def:11831, The operating system installed on the system is Red Hat Enterprise Linux 4

62471 : RealNetworks Multiple Products common/util/rlstate.cpp RuleBook Structure Overflow.
62470 : RealNetworks Multiple Products player/hxclientkit/src/CHXClientSink.cpp Unescape Function Overflow.
62469 : RealNetworks Multiple Products xcommon/util/hxurl.cpp Unescape Function Overflow.
61973 : RealNetworks Multiple Products smlrender.dll SMIL File Handling Overflow.
61972 : RealNetworks Multiple Products CMediumBlockAllocator::Alloc Method Crafted RTSP SET_PARAMETER Handling Overflow.
61971 : RealNetworks Multiple Products Crafted ASM RuleBook Overflow.
61969 : RealNetworks Multiple Products Compressed GIF File Handling Overflow.
61966 : RealNetworks Multiple Products Crafted GIF File Chunk Size Overflow.