Bug 1213323 (CVE-2023-38253)

Summary:	VUL-0: CVE-2023-38253: w3m: out-of-bounds read in growbuf_to_Str() at w3m/indep.c
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Alexander Bergmann <abergmann>
Component:	Incidents	Assignee:	Thomas Blume <thomas.blume>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	abergmann, security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/372427/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Alexander Bergmann 2023-07-14 09:43:48 UTC

CVE-2023-38253

w3m 0.5.3+git20230129 has an out-of-bounds write in function
growbuf_to_Str  in indep.c. This allows attackers to cause a denial of
service via a crafted HTML file.

Upstream issue:

https://github.com/tats/w3m/issues/271

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-38253
https://bugzilla.redhat.com/show_bug.cgi?id=2222779

Comment 1 Alexander Bergmann 2023-07-14 09:46:46 UTC

Affected version :

    0.5.3+git20230129
    0.5.3+git20230121-1
    0.5.3+git20230121-2

Only affecting:

openSUSE:Factory w3m-v0.5.3+git20230121

Comment 2 Thomas Blume 2023-07-14 13:26:38 UTC

awaiting upstream patch

Comment 3 Thomas Blume 2023-10-11 15:49:31 UTC

(In reply to Thomas Blume from comment #2)
> awaiting upstream patch

Patch was submitted via:

https://build.opensuse.org/request/show/1100670

closing

Comment 5 Maintenance Automation 2023-11-14 16:30:02 UTC

SUSE-SU-2023:4439-1: An update that solves two vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1213323, 1213324
CVE References: CVE-2023-38252, CVE-2023-38253
Sources used:
openSUSE Leap 15.5 (src): w3m-0.5.3+git20230121-150000.3.6.1
Basesystem Module 15-SP4 (src): w3m-0.5.3+git20230121-150000.3.6.1
Basesystem Module 15-SP5 (src): w3m-0.5.3+git20230121-150000.3.6.1
openSUSE Leap 15.4 (src): w3m-0.5.3+git20230121-150000.3.6.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.