#VU32335 Buffer overflow in xdelta3 - CVE-2014-9765

Vulnerability identifier: #VU32335

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2014-9765

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xdelta3
Other software / Other software solutions

Vendor: xdelta.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Buffer overflow in the main_get_appheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary code via a crafted input file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xdelta3: 3.0.0 - 3.0.6

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External links
https://lists.opensuse.org/opensuse-updates/2016-02/msg00125.html
https://lists.opensuse.org/opensuse-updates/2016-02/msg00131.html
https://www.debian.org/security/2016/dsa-3484
https://www.openwall.com/lists/oss-security/2016/02/08/1
https://www.openwall.com/lists/oss-security/2016/02/08/2
https://www.securityfocus.com/bid/83109
https://www.ubuntu.com/usn/USN-2901-1
https://github.com/jmacd/xdelta-devel/commit/ef93ff74203e030073b898c05e8b4860b5d09ef2
https://security.gentoo.org/glsa/201701-40

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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.