#VU40781 Input validation error in Debian Linux - CVE-2015-1258

Vulnerability identifier: #VU40781

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-1258

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system

Vendor: Debian

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Google Chrome before 43.0.2357.65 relies on libvpx code that was not built with an appropriate --size-limit value, which allows remote attackers to trigger a negative value for a size field, and consequently cause a denial of service or possibly have unspecified other impact, via a crafted frame size in VP9 video data.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Debian Linux: 8.0

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External links
https://googlechromereleases.blogspot.com/2015/05/stable-channel-update_19.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-October/168803.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-September/166975.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-September/167428.html
https://lists.opensuse.org/opensuse-updates/2015-05/msg00091.html
https://lists.opensuse.org/opensuse-updates/2015-11/msg00015.html
https://www.debian.org/security/2015/dsa-3267
https://www.securityfocus.com/bid/74723
https://www.securitytracker.com/id/1032375
https://code.google.com/p/chromium/issues/detail?id=450939
https://codereview.chromium.org/1106303002
https://security.gentoo.org/glsa/201506-04

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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.