Buffer over-read in Exiv2 - CVE-2017-17724

 

Buffer over-read in Exiv2 - CVE-2017-17724

Published: March 14, 2018 / Updated: March 7, 2019


Vulnerability identifier: #VU11070
CSH Severity: Low
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Exiv2

Detailed vulnerability 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.

How to mitigate CVE-2017-17724

Install update from vendor's website.

Sources