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Insecure Library Loading

Secunia Advisory SA47765

FFmpeg Multiple Vulnerabilities
Secunia Advisory SA47765
Secunia VIM 4.0 - Free Trial
Release Date 2012-01-30
   
Popularity 2,048 views
Comments 0 comments

Criticality level Highly criticalHighly critical
Impact DoS
System access
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Patch
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
   
Software:
FFmpeg 0.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2011-3929 CVSS score available to Secunia VIM customers
CVE-2011-3934 CVSS score available to Secunia VIM customers
CVE-2011-3935 CVSS score available to Secunia VIM customers
CVE-2011-3936 CVSS score available to Secunia VIM customers
CVE-2011-3937 CVSS score available to Secunia VIM customers
CVE-2011-3940 CVSS score available to Secunia VIM customers
CVE-2011-3941 CVSS score available to Secunia VIM customers
CVE-2011-3944 CVSS score available to Secunia VIM customers
CVE-2011-3945 CVSS score available to Secunia VIM customers
CVE-2011-3946 CVSS score available to Secunia VIM customers
CVE-2011-3947 CVSS score available to Secunia VIM customers
CVE-2011-3949 CVSS score available to Secunia VIM customers
CVE-2011-3950 CVSS score available to Secunia VIM customers
CVE-2011-3951 CVSS score available to Secunia VIM customers
CVE-2011-3952 CVSS score available to Secunia VIM customers
  

Description

Some vulnerabilities have been reported in FFmpeg, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.

1) A boundary error within the DV decoder can be exploited to cause an out-of-bounds read via specially crafted media files.

2) An NULL-pointer dereference error within the DV decoder can be exploited to cause a crash via specially crafted media files.

3) A double-free error within the "vp3_update_thread_context()" function (libavcodec/vp3.c) can be exploited via specially crafted media files.

4) An error within the "codec_get_buffer()" function (ffmpeg.c) can be exploited via specially crafted media files.

5) An error within the "ff_h263_decode_frame()" function (libavformat/nsvdec.c) can be exploited via specially crafted media files.

6) A boundary error within the "nsv_read_chunk()" function (libavformat/nsvdec.c) can be exploited to cause an out-of-bounds write via specially crafted media files.

7) An error within the "decode_mb()" function (libavcodec/error_resilience.c) can be exploited to cause an out-of-bounds write via specially crafted media files.

8) An error within the "smacker_decode_header_tree()" function (libavcodec/smacker.c) can be exploited via specially crafted media files.

9) An error within the "decode_frame()" function (libavcodec/kgv1dec.c) can be exploited via specially crafted media files.

10) An error within the H264 decoder can be exploited to cause an infinite loop via specially crafted media files.

11) An error within the "read_offs()" function (libavcodec/mjpegbdec.c) can be exploited via specially crafted media files.

12) An error within the "dirac_unpack_idwt_params()" function (libavcodec/diracdec.c) can be exploited via specially crafted media files.

13) An error within the "dirac_decode_data_unit()" function (libavcodec/diracdec.c) can be exploited via specially crafted media files.

14) An error within the "dpcm_decode_frame()" function (libavcodec/dpcm.c) can be exploited via specially crafted media files.

15) An error within the "decode_init()" function (libavcodec/kmvc.c) can be exploited via specially crafted media files.

16) An error within the "rv20_decode_picture_header()" function (libavcodec/rv10.c) can be exploited to cause a crash via specially crafted Matroska files.

17) A NULL-pointer dereference error within the "decode_mb_info()" function (libavcodec/indeo5.c) can be exploited to cause a crash via specially crafted media files.


Solution
Update to version 0.10.

Provided and/or discovered by
The vendor credits:
1-15) Mateusz "j00ru" Jurczyk and Gynvael Coldwind
16, 17) John Villamil

Original Advisory
http://ffmpeg.org/security.html

Deep Links
Links available to Secunia VIM customers


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: FFmpeg Multiple Vulnerabilities
 
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