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

1) Out-of-bounds read

EUVDB-ID: #VU32117

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5845

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_avi_demux_parse_ncdt function in gst/avi/gstavidemux.c in gst-plugins-good in GStreamer before 1.10.3 allows remote attackers to cause a denial of service (invalid memory read and crash) via a ncdt sub-tag that "goes behind" the surrounding tag.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gst-plugins-good (Alpine package): 1.16.2-r0 - 1.16.2-r4

External links

http://git.alpinelinux.org/aports/commit/?id=3571afbf18131cb6b65d4853100186bd34843820
http://git.alpinelinux.org/aports/commit/?id=126b7fb34316979070ba2441c8ea4cb401bf3621
http://git.alpinelinux.org/aports/commit/?id=65a9c6cbf0d7b61eb2ac4941fc9e20ed1316638e
http://git.alpinelinux.org/aports/commit/?id=05b1347bb9070f0dbeb6d7625a91d2b22ac35eaf

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.