Vulnerability-Lookup

OPENSUSE-SU-2019:2611-1

Vulnerability from csaf_opensuse - Published: 2019-12-03 11:17 - Updated: 2019-12-03 11:17

Summary

Security update for libidn2

Severity

Moderate

Notes

Title of the patch: Security update for libidn2

Description of the patch: This update for libidn2 to version 2.2.0 fixes the following issues: - CVE-2019-12290: Fixed an improper round-trip check when converting A-labels to U-labels (bsc#1154884). - CVE-2019-18224: Fixed a heap-based buffer overflow that was caused by long domain strings (bsc#1154887). This update was imported from the SUSE:SLE-15:Update update project.

Patchnames: openSUSE-2019-2611

CVE-2019-12290

6.5 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 15.1:libidn2-0-2.2.0-lp151.3.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-0-2.2.0-lp151.3.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-0-32bit-2.2.0-lp151.3.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-devel-2.2.0-lp151.3.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-devel-2.2.0-lp151.3.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-lang-2.2.0-lp151.3.3.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-tools-2.2.0-lp151.3.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.1:libidn2-tools-2.2.0-lp151.3.3.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2019-18224

6.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products

Recommended 8 products, the same list as for CVE-2019-12290

Threats

Impact moderate

References

12 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1154884	self
https://bugzilla.suse.com/1154887	self
https://www.suse.com/security/cve/CVE-2019-12290/	self
https://www.suse.com/security/cve/CVE-2019-18224/	self
https://www.suse.com/security/cve/CVE-2019-12290	external
https://bugzilla.suse.com/1154884	external
https://www.suse.com/security/cve/CVE-2019-18224	external
https://bugzilla.suse.com/1154887	external

JSON

To clipboard

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CVE-2019-12290 (GCVE-0-2019-12290)

Vulnerability from cvelistv5 – Published: 2019-10-22 15:14 – Updated: 2024-08-04 23:17

Summary

GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

12 references

URL	Tags
https://gitlab.com/libidn/libidn2/merge_requests/71	x_refsource_MISC
https://gitlab.com/libidn/libidn2/commit/241e8f48…	x_refsource_MISC
https://gitlab.com/libidn/libidn2/commit/614117ef…	x_refsource_CONFIRM
https://usn.ubuntu.com/4168-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
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http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202003-63	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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CVE-2019-18224 (GCVE-0-2019-18224)

Vulnerability from cvelistv5 – Published: 2019-10-21 16:21 – Updated: 2024-08-05 01:47

Summary

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.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

11 references

URL	Tags
https://github.com/libidn/libidn2/compare/libidn2…	x_refsource_MISC
https://github.com/libidn/libidn2/commit/e4d1558a…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://usn.ubuntu.com/4168-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2020/dsa-4613	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2020/Feb/4	mailing-listx_refsource_BUGTRAQ
https://security.gentoo.org/glsa/202003-63	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2019:2611-1

CVE-2019-12290 (GCVE-0-2019-12290)

CVE-2019-18224 (GCVE-0-2019-18224)

Tags

Sightings

Nomenclature

Related by attack behaviour