Bug 1154887 – VUL-0: CVE-2019-18224: libidn2: heap-based buffer overflow via a long domain string

Bug 1154887 - (CVE-2019-18224) VUL-0: CVE-2019-18224: libidn2: heap-based buffer overflow via a long domain string

(CVE-2019-18224)
Summary:	VUL-0: CVE-2019-18224: libidn2: heap-based buffer overflow via a long domain ...

Status:	RESOLVED FIXED

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P3 - Medium Severity: Minor
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/245492/
Whiteboard:	CVSSv3:SUSE:CVE-2019-18224:6.3:(AV:N/...
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Reported:	2019-10-23 15:46 UTC by Alexandros Toptsoglou
Modified:	2020-07-10 13:35 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Alexandros Toptsoglou 2019-10-23 15:46:42 UTC

CVE-2019-18224

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based
buffer overflow via a long domain string.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-18224
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-18224.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18224
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1

Comment 1 Alexandros Toptsoglou 2019-10-23 15:50:32 UTC

Tracked SLE15 as affected

Comment 2 Tomáš Chvátal 2019-10-24 09:20:18 UTC

Package changelog update sent to TW and updated version sent to SLE15.

Comment 3 Swamp Workflow Management 2019-10-24 09:50:10 UTC

This is an autogenerated message for OBS integration:
This bug (1154887) was mentioned in
https://build.opensuse.org/request/show/742496 Factory / libidn2

Comment 5 Swamp Workflow Management 2019-11-28 14:13:28 UTC

SUSE-SU-2019:3086-1: An update that fixes two vulnerabilities is now available.

Category: security (moderate)
Bug References: 1154884,1154887
CVE References: CVE-2019-12290,CVE-2019-18224
Sources used:
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (src):    libidn2-2.2.0-3.3.1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (src):    libidn2-2.2.0-3.3.1
SUSE Linux Enterprise Module for Basesystem 15-SP1 (src):    libidn2-2.2.0-3.3.1
SUSE Linux Enterprise Module for Basesystem 15 (src):    libidn2-2.2.0-3.3.1

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 6 Swamp Workflow Management 2019-12-03 17:11:45 UTC

openSUSE-SU-2019:2613-1: An update that fixes two vulnerabilities is now available.

Category: security (moderate)
Bug References: 1154884,1154887
CVE References: CVE-2019-12290,CVE-2019-18224
Sources used:
openSUSE Leap 15.0 (src):    libidn2-2.2.0-lp150.2.3.1

Comment 7 Swamp Workflow Management 2019-12-03 17:13:02 UTC

openSUSE-SU-2019:2611-1: An update that fixes two vulnerabilities is now available.

Category: security (moderate)
Bug References: 1154884,1154887
CVE References: CVE-2019-12290,CVE-2019-18224
Sources used:
openSUSE Leap 15.1 (src):    libidn2-2.2.0-lp151.3.3.1

Comment 8 Alexandros Toptsoglou 2020-07-10 13:35:25 UTC

Done