CVE-2019-18224
published 2019-10-21CVE-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.
PriorityP347critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.71%
88.5th percentile
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.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libidn2 | < libidn2 2.2.0-1 (bookworm) | libidn2 2.2.0-1 (bookworm) |
| gnu | libidn2 | < 2.1.1 | 2.1.1 |
| gnu | libidn2 | >= 0 < 2.2.0-1 | 2.2.0-1 |
| gnu | libidn2 | >= 0 < 2.2.0-1 | 2.2.0-1 |
| gnu | libidn2 | >= 0 < 2.2.0-1 | 2.2.0-1 |
| gnu | libidn2 | >= 0 < 2.2.0-1 | 2.2.0-1 |
| gnu | libidn2 | >= 0 < 2.0.4-1.1ubuntu0.2 | 2.0.4-1.1ubuntu0.2 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu7.5HIGH
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GHSA
GHSA-j2c9-63g7-697x: idn2_to_ascii_4i in lib/lookup
ghsa_unreviewed·2022-05-24
CVE-2019-18224 [CRITICAL] CWE-787 GHSA-j2c9-63g7-697x: idn2_to_ascii_4i in lib/lookup
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.
OSV
libidn2 vulnerabilities
osv·2019-10-29·CVSS 7.5
CVE-2019-12290 [HIGH] libidn2 vulnerabilities
libidn2 vulnerabilities
It was discovered that Libidn2 incorrectly handled certain inputs.
A attacker could possibly use this issue to impersonate domains.
(CVE-2019-12290)
It was discovered that Libidn2 incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-18224)
OSV
CVE-2019-18224: idn2_to_ascii_4i in lib/lookup
osv·2019-10-21·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224: idn2_to_ascii_4i in lib/lookup
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.
Ubuntu
Libidn2 vulnerabilities
vendor_ubuntu·2019-10-29·CVSS 7.5
CVE-2019-12290 [HIGH] Libidn2 vulnerabilities
Title: Libidn2 vulnerabilities
Summary: Several security issues were fixed in Libidn2.
It was discovered that Libidn2 incorrectly handled certain inputs.
A attacker could possibly use this issue to impersonate domains.
(CVE-2019-12290)
It was discovered that Libidn2 incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-18224)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
vendor_redhat·2019-01-07·CVSS 9.8
CVE-2019-18224 [CRITICAL] CWE-122 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
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.
Debian
CVE-2019-18224: libidn2 - idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based bu...
vendor_debian·2019·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224: libidn2 - idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based bu...
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.
Scope: local
bookworm: resolved (fixed in 2.2.0-1)
bullseye: resolved (fixed in 2.2.0-1)
forky: resolved (fixed in 2.2.0-1)
sid: resolved (fixed in 2.2.0-1)
trixie: resolved (fixed in 2.2.0-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-all]
bugzilla·2019-10-23·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-all]
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-7]
bugzilla·2019-10-23·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-7]
CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the fo
Bugzilla
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
bugzilla·2019-10-23·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multi
Bugzilla
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
bugzilla·2019-10-23·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
CVE-2019-18224 libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c
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.
Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
Upstream commit:
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
Discussion:
Created libidn2 tracking bugs for this issue:
Affects: epel-all [bug 1764782]
Affects: fedora-all [bug 1764781]
Created mingw-libidn2 tracking bugs for this issue:
Affects: epel-7 [bug 1764784]
Affects: fedora-all [bug 1764783]
---
Is there a specific reason for bug #1764781 and bug #1764782, as libidn2-2.2.0-1 (or later) is shipped on all Fedora and EPEL branches for months now…
---
(In reply t
Bugzilla
CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
bugzilla·2019-10-23·CVSS 9.8
CVE-2019-18224 [CRITICAL] CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
CVE-2019-18224 mingw-libidn2: libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issu
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.htmlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8chttps://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/https://seclists.org/bugtraq/2020/Feb/4https://security.gentoo.org/glsa/202003-63https://usn.ubuntu.com/4168-1/https://www.debian.org/security/2020/dsa-4613http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.htmlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8chttps://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/https://seclists.org/bugtraq/2020/Feb/4https://security.gentoo.org/glsa/202003-63https://usn.ubuntu.com/4168-1/https://www.debian.org/security/2020/dsa-4613
2019-10-21
Published