Bug 1204023 (CVE-2022-41715)

Summary:	VUL-0: CVE-2022-41715: go1.18,go1.19: regexp/syntax: limit memory used by parsing regexps
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Jeff Kowalczyk <jkowalczyk>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	dmitry.netes, meissner
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/344233/
Whiteboard:	CVSSv3.1:SUSE:CVE-2022-41715:6.2:(AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Found By:	---	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Jeff Kowalczyk 2022-10-04 21:14:35 UTC

The parsed regexp representation is linear in the size of the input, but in some cases the constant factor can be as high as 40,000, making relatively small regexps consume much larger amounts of memory.

Each regexp being parsed is now limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are now rejected. Normal use of regular expressions is unaffected.

Thanks to Adam Korczynski (ADA Logics) and OSS-Fuzz for reporting this issue.

This is CVE-2022-41715 and Go issue https://go.dev/issue/55949.

Comment 1 OBSbugzilla Bot 2022-10-05 03:35:06 UTC

This is an autogenerated message for OBS integration:
This bug (1204023) was mentioned in
https://build.opensuse.org/request/show/1008077 Factory / go1.18
https://build.opensuse.org/request/show/1008078 Factory / go1.19

Comment 3 Swamp Workflow Management 2022-10-20 01:20:23 UTC

SUSE-SU-2022:3669-1: An update that solves three vulnerabilities and has one errata is now available.

Category: security (important)
Bug References: 1200441,1204023,1204024,1204025
CVE References: CVE-2022-2879,CVE-2022-2880,CVE-2022-41715
JIRA References: 
Sources used:
openSUSE Leap 15.4 (src):    go1.19-1.19.2-150000.1.12.1
openSUSE Leap 15.3 (src):    go1.19-1.19.2-150000.1.12.1
SUSE Linux Enterprise Module for Development Tools 15-SP4 (src):    go1.19-1.19.2-150000.1.12.1
SUSE Linux Enterprise Module for Development Tools 15-SP3 (src):    go1.19-1.19.2-150000.1.12.1

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.

Comment 4 Swamp Workflow Management 2022-10-20 01:21:25 UTC

SUSE-SU-2022:3668-1: An update that solves three vulnerabilities and has one errata is now available.

Category: security (important)
Bug References: 1193742,1204023,1204024,1204025
CVE References: CVE-2022-2879,CVE-2022-2880,CVE-2022-41715
JIRA References: 
Sources used:
openSUSE Leap 15.4 (src):    go1.18-1.18.7-150000.1.34.1
openSUSE Leap 15.3 (src):    go1.18-1.18.7-150000.1.34.1
SUSE Linux Enterprise Module for Development Tools 15-SP4 (src):    go1.18-1.18.7-150000.1.34.1
SUSE Linux Enterprise Module for Development Tools 15-SP3 (src):    go1.18-1.18.7-150000.1.34.1

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.

Comment 5 Marcus Meissner 2022-12-05 14:20:13 UTC

done

Comment 6 Marcus Meissner 2023-02-20 08:36:57 UTC

*** Bug 1208441 has been marked as a duplicate of this bug. ***