#VU42226 Heap-based buffer overflow in gnumeric - CVE-2013-6836

Vulnerability identifier: #VU42226

Vulnerability risk: Medium

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

CVE-ID: CVE-2013-6836

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gnumeric

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the ms_escher_get_data function in plugins/excel/ms-escher.c in GNOME Office Gnumeric before 1.12.9. A remote attacker can use a crafted xls file with a crafted length value. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

gnumeric: 1.12.0 - 1.12.8

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External links
https://lists.opensuse.org/opensuse-updates/2014-02/msg00018.html
https://secunia.com/advisories/56678
https://www.securityfocus.com/bid/64459
https://bugzilla.gnome.org/show_bug.cgi?id=712772
https://git.gnome.org/browse/gnumeric/commit/?id=b5480b69345b3c6d56ee0ed9c9e9880bb2a08cdc
https://projects.gnome.org/gnumeric/announcements/1.12/gnumeric-1.12.9.shtml

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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.