Out-of-bounds read in GStreamer gst-plugins-bad1

1) Out-of-bounds read

EUVDB-ID: #VU31991

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-5840

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary error in the qtdemux_parse_samples function in gst/isomp4/qtdemux.c in gst-plugins-good. A remote attacker can create vectors involving the current stts index, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

gst-plugins-bad1: 1.0.2 - 1.10.4

CPE2.3

• cpe:2.3:a:gstreamer:gst-plugins-bad1:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:gstreamer:gst-plugins-bad1:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:gstreamer:gst-plugins-bad1:1.2.0:*:*:*:*:*:*:*

External links

https://www.debian.org/security/2017/dsa-3820
https://www.openwall.com/lists/oss-security/2017/02/01/7
https://www.openwall.com/lists/oss-security/2017/02/02/9
https://www.securityfocus.com/bid/96001
https://access.redhat.com/errata/RHSA-2017:2060
https://bugzilla.gnome.org/show_bug.cgi?id=777469
https://gstreamer.freedesktop.org/releases/1.10/#1.10.3
https://lists.debian.org/debian-lts-announce/2020/05/msg00029.html
https://security.gentoo.org/glsa/201705-10

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.