#VU29109 Integer overflow in libexif - CVE-2016-6328

Vulnerability identifier: #VU29109

Vulnerability risk: Medium

CVSSv4.0: 4.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-6328

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libexif
Universal components / Libraries / Libraries used by multiple products

Vendor: libexif.sourceforge.net

Description

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

The vulnerability exists due to integer overflow when parsing the MNOTE entry data of the input file. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libexif: 0.6.9 - 0.6.21

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External links
https://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-6328
https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
https://usn.ubuntu.com/4277-1/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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