Vulnerability identifier: #VU17927

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-9144

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Exiv2
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in BigTiffImage::printIFD() function in the file bigtiffimage.cpp. A remote attacker can consume all available system resources via a specially crafted image and cause denial of service conditions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.25 - 0.26

---

External links
http://www.securityfocus.com/bid/107161
http://github.com/Exiv2/exiv2/issues/712
http://research.loginsoft.com/bugs/uncontrolled-recursion-loop-in-exiv2anonymous-namespacebigtiffimageprintifd-exiv2-0-27/

---

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. However, proof of concept for this vulnerability is available.