#VU13576 Heap-based buffer overflow in Exiv2 - CVE-2018-11531

Vulnerability identifier: #VU13576

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2018-11531

CWE-ID: CWE-122

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 heap-based buffer overflow in getData in preview.cpp. A remote attacker can trigger memory corruption and perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.26

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External links
https://github.com/Exiv2/exiv2/issues/283

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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.