[CAL-2011-0054]Adobe Shockwave Player Director File Parsing data of rcsl chunk multiple DOS vulnerabilities

Type securityvulns
Reporter Securityvulns
Modified 2011-11-11T00:00:00


[CAL-2011-0054]Adobe Shockwave Player Director File Parsing data of rcsl chunk multiple DOS vulnerabilities

CAL_ID: CAL-2011-0054 CVE ID: CVE-2011-2448 Discover: instruder of code audit labs of vulnhunt.com http://www.adobe.com/support/security/bulletins/apsb11-27.html

1 Affected Products

Test Version:Adobe Shockwave Player version)

2 Vulnerability Details

When adobe shockwave player parsing data of rcsl chunk of Director File, because of the wrong Calculate, you can bypass the check.This will cause a crash,In the handle of rcsl chunk,this problem exists in dispatcher for case 0xD2,0xCB,0xcc,0xD1 .

3 Exploitable?

Successfully exploiting this issue cause denial-of-service conditions. but according to adobe security Bulletins they mark it as could lead to code execution.

4 Crash info:

(3cc.1e0): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=0319f7c0 ebx=7ffffff8 ecx=026101fc edx=0319f7b0 esi=032b2fd4 edi=0310c34b eip=68109402 esp=0012d684 ebp=0319f81c iopl=0 nv up ei pl nz na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210206 DIRAPI+0x109402: 68109402 8b1418 mov edx,dword ptr [eax+ebx] ds:0023:8319f7b8=???????? 0:000> KB ChildEBP RetAddr Args to Child WARNING: Stack unwind information not available. Following frames may be wrong. 0012d69c 6810bad5 026101fc 00000003 001d554c DIRAPI+0x109402 00000000 00000000 00000000 00000000 00000000 DIRAPI+0x10bad5

5 Timeline

2011-9-27 report to adobe 2011-9-28 vendor ask poc file 2011-9-28 we sent the poc file. 2011-9-30 vendor comfirm the issue. 2011-11-8 Coordinated public release of advisory.

6 About Code Audit Labs:

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