Bug 1176200 (CVE-2014-8147) - CVE-2014-8147 icu: integer truncation in the resolveImplicitLevels function
Summary: CVE-2014-8147 icu: integer truncation in the resolveImplicitLevels function
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2014-8147
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
: 1222455 (view as bug list)
Depends On: 1218901
Blocks: 1176194
TreeView+ depends on / blocked
 
Reported: 2014-12-19 16:36 UTC by Vasyl Kaigorodov
Modified: 2019-09-29 13:25 UTC (History)
16 users (show)

Fixed In Version: ICU 55.1
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-01-12 20:29:01 UTC


Attachments (Terms of Use)

Description Vasyl Kaigorodov 2014-12-19 16:36:04 UTC
An integer overflow was found in ICU's resolveImplicitLevels function. The overflow causes an error when performing a malloc on pBiDi->insertPoints->points because insertPoints is adjacent in memory to isolates[].

Additional details:

https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt

Comment 2 Martin Prpič 2015-05-06 07:26:54 UTC
Created icu tracking bugs for this issue:

Affects: fedora-all [bug 1218901]

Comment 3 Tomas Hoger 2015-05-19 06:35:51 UTC
Upstream commit:

http://bugs.icu-project.org/trac/changeset/37080

Comment 4 Tomas Hoger 2015-05-19 06:40:33 UTC
*** Bug 1222455 has been marked as a duplicate of this bug. ***


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