Bug 1186250 (CVE-2018-25014)

Summary: VUL-0: CVE-2018-25014: libwebp: use of uninitialized value in ReadSymbol()
Product: [Novell Products] SUSE Security Incidents Reporter: Gianluca Gabrielli <gianluca.gabrielli>
Component: IncidentsAssignee: Security Team bot <security-team>
Status: NEW --- QA Contact: Security Team bot <security-team>
Severity: Critical    
Priority: P3 - Medium CC: mgorse, smash_bz
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/283424/
Whiteboard: CVSSv3.1:SUSE:CVE-2018-25014:9.8:(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description Gianluca Gabrielli 2021-05-19 13:24:18 UTC 
mgorse@suse.com

A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ReadSymbol().

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9496

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1956927
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-25014
Comment 1 Gianluca Gabrielli 2021-05-19 13:25:08 UTC 
Affected packages:

- SUSE:SLE-12-SP1:Update/libwebp  0.4.3
- SUSE:SLE-15:Update/libwebp      0.5.0

Upstream patch [0].

[0] https://chromium.googlesource.com/webm/libwebp/+log/78ad57a36ad69a9c22874b182d49d64125c380f2..907208f97ead639bd521cf355a2f203f462eade6?pretty=fuller&n=10000