Bug 2077983 (CVE-2022-1587) - CVE-2022-1587 pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c
Summary: CVE-2022-1587 pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_j...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-1587
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2080051 2077986 2081974 2081975 2081976 2086873
Blocks: 2077988 2081999
TreeView+ depends on / blocked
 
Reported: 2022-04-22 19:01 UTC by Pedro Sampaio
Modified: 2022-11-25 06:30 UTC (History)
27 users (show)

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.
Clone Of:
Environment:
Last Closed: 2022-07-01 10:12:41 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:5251 0 None None None 2022-06-28 14:59:49 UTC

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
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