CVE-2018-9145 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://bugzilla.novell.com/show_bug.cgi?id=1087879 https://bugzilla.redhat.com/show_bug.cgi?id=1564281 https://github.com/xiaoqx/pocs/tree/master/exiv2 https://security.gentoo.org/glsa/201811-14

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5