Vulnerability identifier: #VU69761

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-2018-17581

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources caused by excessive stack consumption due to a recursive function within the CiffDirectory::readDirectory() function in crwimage_int.cpp. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.26

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External links
http://access.redhat.com/errata/RHSA-2019:2101
http://github.com/Exiv2/exiv2/issues/460
http://github.com/SegfaultMasters/covering360/blob/master/Exiv2
http://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
http://usn.ubuntu.com/3852-1/

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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.