Out-of-bounds read in ffmpeg (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1999014
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ffmpeg (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU32009

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-1999014

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

FFmpeg before commit bab0716c7f4793ec42e05a5aa7e80d82a0dd4e75 contains an out of array access vulnerability in MXF format demuxer that can result in DoS. This attack appear to be exploitable via specially crafted MXF file which has to be provided as input. This vulnerability appears to have been fixed in bab0716c7f4793ec42e05a5aa7e80d82a0dd4e75 and later.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ffmpeg (Alpine package): 4.1.3-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=d8d38dabc6e30c901eb6bd6627d8337849d7c041
https://git.alpinelinux.org/aports/commit/?id=cf78a820406ae4481e937bc2fba252ff79c89a09
https://git.alpinelinux.org/aports/commit/?id=859fd99d06049c009c8b745626511cd681061a99


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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