Out-of-bounds read in gst-plugins-bad1 (Alpine package)

1) Out-of-bounds read

EUVDB-ID: #VU33551

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-2017-5848

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.

The gst_ps_demux_parse_psm function in gst/mpegdemux/gstmpegdemux.c in gst-plugins-bad in GStreamer allows remote attackers to cause a denial of service (invalid memory read and crash) via vectors involving PSM parsing.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gst-plugins-bad1 (Alpine package): 1.8.1-r0 - 1.8.1-r3

CPE2.3

• cpe:2.3:a:alpine:gst-plugins-bad1_alpine_package:1.8.1-r0:*:*:*:*:alpine_linux:*:3.3
• cpe:2.3:a:alpine:gst-plugins-bad1_alpine_package:1.8.1-r3:*:*:*:*:alpine_linux:*:3.4

External links

https://git.alpinelinux.org/aports/commit/?id=630d0cc2c0cb13094fcb6e5b2309cc517da70188
https://git.alpinelinux.org/aports/commit/?id=bca04acd0fb5dac825666421ee8beb3d74a80cd0

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.