#VU38669 Input validation error in Exiv2


Published: 2017-07-23 | Updated: 2020-08-08

Vulnerability identifier: #VU38669

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-11553

CWE-ID: CWE-20

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 non-authenticated attacker to perform a denial of service (DoS) attack.

There is an illegal address access in the extend_alias_table function in localealias.c of Exiv2 0.26. A crafted input will lead to remote denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.26


External links
http://bugzilla.redhat.com/show_bug.cgi?id=1471772


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.


Latest bulletins with this vulnerability