BS.Player .bsl buffer overflow

bsplayer-bsl-bo (49342) The risk level is classified as HighHigh Risk

Description:

BS.Player is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when parsing malicious .bsl files. By persuading a victim to open a specially-crafted .bls playlist file containing an overly long hostname, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

*CVSS:

Base Score: 6.8
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of BS.Player (2.35 Build 985 PRO or 2.36 Build 990 Free/Pro or later), available from the BS.Player Web site. See References.

References:

  • BS.Player Web site: The media player, movie player, YouTube player, video player, AVCHD player, divx player, free player.
  • BugTraq Mailing List, Thu Mar 19 2009 - 21:01:44 CDT : Bs.Player <= 2.34 Build 980 (.bsl) local buffer overflow 0day exploit (seh).
  • BID-34190: BS.Player '.bsl' File Hostname Remote Buffer Overflow Vulnerability
  • CVE-2009-1068: Stack-based buffer overflow in BS.Player (bsplayer) 2.32 Build 975 Free and 2.34 Build 980 PRO and earlier allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a long hostname in a .bsl playlist file.
  • OSVDB ID: 52841: BS.Player BSL File Handling Overflow
  • OSVDB ID: 61803: BS.Player BSI File Handling Overflow
  • SA34412: BS.Player Playlist Processing Buffer Overflow Vulnerability

Platforms Affected:

  • BS.Global BS.Player 2.32 Build 975 Free
  • BS.Global BS.Player 2.34 Build 980 Pro

Reported:

Mar 19, 2009

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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