Bug 1531724 – CVE-2018-4868 exiv2: Excessive memory allocation in Exiv2::Jp2Image::readMetadata function in jp2image.cpp

Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.

Bug 1531724 - (CVE-2018-4868) CVE-2018-4868 exiv2: Excessive memory allocation in Exiv2::Jp2Image::readMetadata function in jp2image.cpp

Summary:	CVE-2018-4868 exiv2: Excessive memory allocation in Exiv2::Jp2Image::readMeta...

Status:	NEW

Aliases:	CVE-2018-4868

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,reported=20180105,source=s...
Keywords:	Security

Depends On:	1531729
Blocks:
	Show dependency tree / graph

Reported:	2018-01-05 16:42 EST by Laura Pardo
Modified:	2018-04-30 18:17 EDT (History)
CC List:	3 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Laura Pardo 2018-01-05 16:42:57 EST

The Exiv2::Jp2Image::readMetadata function in jp2image.cpp in Exiv2 0.26 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file.

[UPSTREAM PATCH]
https://github.com/Exiv2/exiv2/issues/202

Comment 1 Laura Pardo 2018-01-05 16:43:28 EST

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1531729]

Note You need to log in before you can comment on or make changes to this bug.