CVE-2018-9145: Input Validation

Published Mar 30, 2018
·
Updated

A flaw was found in Exiv2 0.26, there is a reachable assertion abort in the function Exiv2::DataBuf::DataBuf at include/exiv2/types.hpp.

References: https://bugzilla.novell.com/showbug.cgi?id=1087879

Other sources

In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.

MITRE

Affected Software

1 affected component
exiv2 exiv2=0.26

Event History

Mar 30, 2018
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
Data Sourced
via NVD·08:29 AM
DescriptionSeverityWeaknessAffected Software
Apr 5, 2018
Data Sourced
via Red Hat·09:57 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-9145?

CVE-2018-9145 is classified as a medium severity vulnerability due to its potential for denial of service through an assertion abort.

2

How do I fix CVE-2018-9145?

To fix CVE-2018-9145, upgrade Exiv2 to version 0.27 or later where the issue is patched.

3

What components are affected by CVE-2018-9145?

CVE-2018-9145 affects Exiv2 version 0.26 specifically.

4

Is CVE-2018-9145 exploitable remotely?

CVE-2018-9145 is not known to be exploitable remotely, as it requires specific conditions to trigger an assertion abort.

5

Who is the vendor for CVE-2018-9145?

The vendor for CVE-2018-9145 is Exiv2, which is responsible for the maintenance and updates of the software.

Contact

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