Bug 1191030 – VUL-1: CVE-2021-3828: python-nltk: ReDOS vulnerability in Corpus Reader

Bug 1191030 - (CVE-2021-3828) VUL-1: CVE-2021-3828: python-nltk: ReDOS vulnerability in Corpus Reader

(CVE-2021-3828)
Summary:	VUL-1: CVE-2021-3828: python-nltk: ReDOS vulnerability in Corpus Reader

Status:	IN_PROGRESS

Classification:	openSUSE
Product:	openSUSE Distribution
Classification:	openSUSE
Component:	Security
Version:	Leap 15.3
Hardware:	Other Other

Priority:	P4 - Low Severity: Normal (vote)
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/311001/
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Reported:	2021-09-28 13:17 UTC by Gabriele Sonnu
Modified:	2022-07-03 19:15 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Gabriele Sonnu 2021-09-28 13:17:17 UTC

nltk is vulnerable to Inefficient Regular Expression Complexity

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3828
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3828
https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6
https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32

Comment 1 Gabriele Sonnu 2021-09-28 13:18:06 UTC

Affected Packages:

 - openSUSE:Backports:SLE-15-SP2/python-nltk  3.4.5
 - openSUSE:Backports:SLE-15-SP3/python-nltk  3.4.5
 - openSUSE:Backports:SLE-15-SP4/python-nltk  3.4.5
 - openSUSE:Factory/python-nltk               3.5

Upstream patch:
https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6

Comment 2 OBSbugzilla Bot 2022-03-27 19:10:03 UTC

This is an autogenerated message for OBS integration:
This bug (1191030) was mentioned in
https://build.opensuse.org/request/show/965220 Factory / python-nltk

Comment 3 OBSbugzilla Bot 2022-05-06 14:40:03 UTC

This is an autogenerated message for OBS integration:
This bug (1191030) was mentioned in
https://build.opensuse.org/request/show/975420 Backports:SLE-15-SP2 / python-nltk
https://build.opensuse.org/request/show/975421 Backports:SLE-15-SP4 / python-nltk

Comment 4 OBSbugzilla Bot 2022-06-29 08:40:04 UTC

This is an autogenerated message for OBS integration:
This bug (1191030) was mentioned in
https://build.opensuse.org/request/show/985711 Backports:SLE-15-SP2 / python-nltk

Comment 5 Swamp Workflow Management 2022-07-03 19:15:57 UTC

openSUSE-SU-2022:10040-1: An update that fixes two vulnerabilities is now available.

Category: security (moderate)
Bug References: 1146427,1191030
CVE References: CVE-2019-14751,CVE-2021-3828
JIRA References: 
Sources used:
openSUSE Backports SLE-15-SP2 (src):    python-nltk-3.7-bp152.3.3.1