PT-2019-6178 · FFmpeg+3 · Ffmpeg+3
Published
2019-09-18
·
Updated
2023-01-02
·
CVE-2020-20902
CVSS v2.0
7.1
High
| Vector | AV:N/AC:M/Au:N/C:C/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
FFmpeg version 4.2.1
Description
A CWE-125: Out-of-bounds read issue exists in the
long term filter function in g729postfilter.c during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information. This vulnerability is related to a buffer data out-of-bounds read in the g729postfilter.c component of the FFmpeg multimedia library. Exploitation of this issue could allow a remote attacker to access confidential data.Recommendations
For FFmpeg version 4.2.1, consider disabling the
long term filter function in g729postfilter.c as a temporary workaround until a patch is available. Restrict access to sensitive data to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Out of bounds Read
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Ffmpeg
Suse
Ubuntu