#VU20307 Resource management error in Exiv2 - CVE-2019-13112

Vulnerability identifier: #VU20307

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-13112

CWE-ID: CWE-399

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 denial of service (DoS) attack.

The vulnerability exists due to memory allocation error in PngChunk::parseChunkContent() function. A remote attacker can create a specially crafted PNG image, pass it to the application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

---

External links
https://github.com/Exiv2/exiv2/issues/845
https://github.com/Exiv2/exiv2/pull/846
https://usn.ubuntu.com/4056-1/

---

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