Bug 865249 (CVE-2022-38223)

Summary:	<www-client/w3m-20230121: oob write
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	IN_PROGRESS ---
Severity:	minor	CC:	nrk, proxy-maint
Priority:	Normal	Keywords:	PullRequest
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://github.com/tats/w3m/issues/242
See Also:	https://github.com/gentoo/gentoo/pull/29229
Whiteboard:	B3 [glsa? cleanup]
Package list:		Runtime testing required:	---
Bug Depends on:	892950
Bug Blocks:

Description John Helmert III archtester

2022-08-15 16:17:26 UTC

CVE-2022-38223:

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

Comment 1 Sam James archtester

2023-01-22 06:20:08 UTC

ping. Please backport https://github.com/tats/w3m/commit/419ca82d57c72242817b55e2eaa4cdbf6916e7fa.

Comment 2 Sam James archtester

2023-01-22 06:20:19 UTC

(In reply to Sam James from comment #1)
> ping. Please backport
> https://github.com/tats/w3m/commit/419ca82d57c72242817b55e2eaa4cdbf6916e7fa.

(or just take a new snapshot.)

Comment 3 NRK 2023-01-23 13:38:05 UTC

> (or just take a new snapshot.)

There was a new version realeased recently. I already have an ebuild working and tested but forgot to open the PR, will do so soon.

Comment 4 Larry the Git Cow gentoo-dev

2023-01-25 06:10:43 UTC

The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=eb4bbb7bddb9a2f1f8e0f1cfb90d96ee2b936f23

commit eb4bbb7bddb9a2f1f8e0f1cfb90d96ee2b936f23
Author:     Nickolas Raymond Kaczynski <nrk@disroot.org>
AuthorDate: 2023-01-23 14:16:18 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2023-01-25 06:10:34 +0000

    www-client/w3m: bump version to 20230121
    
    Bug: https://bugs.gentoo.org/865249
    Signed-off-by: Nickolas Raymond Kaczynski <nrk@disroot.org>
    Closes: https://github.com/gentoo/gentoo/pull/29229
    Signed-off-by: Sam James <sam@gentoo.org>

 www-client/w3m/Manifest                   |   1 +
 www-client/w3m/w3m-0.5.3_p20230121.ebuild | 134 ++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)

Comment 5 Sam James archtester

2023-01-25 06:11:38 UTC

Please file a stable bug when ready & have it block this one. For sec bugs, we tend to be sooner than the normal 30 days unless an issue comes up.