Bug 1956922 (CVE-2018-25012)

Summary: CVE-2018-25012 libwebp: out-of-bounds read in WebPMuxCreateInternal()
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: erack, jgrulich, jhorak, kaycoth, manisandro, stransky, tpopela, tuxator, tuxmealux+redhatbz, vmugicag
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: libwebp 1.0.1 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in libwebp. An out-of-bounds read was found in function WebPMuxCreateInternal. The highest threat from this vulnerability is to data confidentiality and to the service availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-11-10 01:53:45 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1962004, 1962005, 1961609, 1961610, 1961978, 1961979    
Bug Blocks: 1940150, 1956995    

Description Guilherme de Almeida Suckevicz 2021-05-04 16:34:55 UTC
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24().


Comment 1 Gianluca Gabrielli 2021-05-05 19:08:31 UTC
This seems to be a duplicate of 1956917

[0] https://bugzilla.redhat.com/show_bug.cgi?id=1956917

Comment 5 Riccardo Schirone 2021-05-18 12:17:58 UTC
In reply to comment #1:
> This seems to be a duplicate of 1956917
> [0] https://bugzilla.redhat.com/show_bug.cgi?id=1956917

Although the fix is the same, the issue seems to be in two different lines so I'd keep them separated to avoid possible confusions to others.

Comment 9 errata-xmlrpc 2021-11-09 17:50:31 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4231 https://access.redhat.com/errata/RHSA-2021:4231

Comment 10 Product Security DevOps Team 2021-11-10 01:53:42 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):