Bug 2077983 (CVE-2022-1587)

Summary:	CVE-2022-1587 pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, caswilli, dhalasz, dkuc, fjansen, ggastald, hhorak, jburrell, jwong, kaycoth, ljavorsk, manisandro, micjohns, mschorm, psegedy, rfreiman, ryanhammerdick, sbiarozk, sthirugn, tcarlin, tfister, tkasparek, tmeszaro, tsasak, vkrizan, vkumar, vmugicag
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	pcre2 10.40	Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-07-01 10:12:41 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2080051, 2077986, 2081974, 2081975, 2081976, 2086873
Bug Blocks:	2077988, 2081999

Description Pedro Sampaio 2022-04-22 19:01:40 UTC

An out-of-bounds read was discovered in PCRE version 10.39, affecting recursions in JIT-compiled regular expressions. The bug is present in the function "get_recurse_data_length", declared in "pcre2_jit_compile.c".

References:

https://github.com/PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0

Comment 1 Pedro Sampaio 2022-04-22 19:04:12 UTC

Created pcre2 tracking bugs for this issue:

Affects: fedora-all [bug 2077986]

Comment 5 TEJ RATHI 2022-05-05 06:47:38 UTC

Created mingw-pcre2 tracking bugs for this issue:

Affects: fedora-all [bug 2081976]

Comment 9 Lukas Javorsky 2022-05-19 11:18:54 UTC

I've submitted an upstream issue to find out which commits really fix the CVE

https://github.com/PCRE2Project/pcre2/issues/122

Comment 11 errata-xmlrpc 2022-06-28 14:59:46 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:5251 https://access.redhat.com/errata/RHSA-2022:5251

Comment 12 Product Security DevOps Team 2022-07-01 10:12:38 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-1587