#VU32106 Out-of-bounds write in gst-plugins-bad1 - CVE-2017-5842

Vulnerability identifier: #VU32106

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-5842

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
gst-plugins-bad1
Other software / Other software solutions

Vendor: GStreamer

Description

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

The html_context_handle_element function in gst/subparse/samiparse.c in gst-plugins-base in GStreamer before 1.10.3 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted SMI file, as demonstrated by OneNote_Manager.smi.

Mitigation
Install update from vendor's website.

Vulnerable software versions

gst-plugins-bad1: 1.0.2 - 1.10.4

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External links
https://www.debian.org/security/2017/dsa-3819
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=777502
https://gstreamer.freedesktop.org/releases/1.10/#1.10.3
https://security.gentoo.org/glsa/201705-10

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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