CVE-2018-13303 - In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_h

CVE-2018-13303

Summary

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

References

http://www.securityfocus.com/bid/104675
https://github.com/FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78

Vulnerable Configurations

cpe:2.3:a:ffmpeg:ffmpeg:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:4.0.1:*:*:*:*:*:*:*

CVSS

Base:	4.3 (as of 18-07-2018 - 14:34)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:M/Au:N/C:N/I:N/A:P

refmap via4

bid	104675
misc	https://github.com/FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78

Last major update

18-07-2018 - 14:34

Published

05-07-2018 - 17:29

Last modified

18-07-2018 - 14:34