Denial of service in Exiv2



| Updated: 2019-03-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-17724
CWE-ID CWE-126
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Exiv2
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer over-read

EUVDB-ID: #VU11070

Risk: Low

CVSSv4.0: 5.5 [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:P/U:Clear]

CVE-ID: CVE-2017-17724

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

The vulnerability allows an remote unauthenticated attacker to cause DoS on the target system.

The weakness exists in the Exiv2::IptcData::printStructure function due to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted TIFF file, trigger heap-based buffer over-read and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.26

CPE2.3 External links

https://github.com/Exiv2/exiv2/issues/210


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.



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