PT-2017-3046 · Gnu+1 · Libidn2+1

Published 2017-08-01 · Updated 2019-10-21 · CVE-2017-14061

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Libidn2 versions prior to 2.0.4

Description The issue is caused by an integer overflow in the isBidi function in bidi.c. This allows remote attackers to potentially cause a denial of service or have other unspecified impacts.

Recommendations For versions prior to 2.0.4, update to version 2.0.4 or later to resolve the issue. As a temporary workaround, consider restricting access to the isBidi function in bidi.c until a patch is available.

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2017-2357

BDU:2017-02410

CVE-2017-14061

Affected Products

Alt Linux

Libidn2

References · 11

• https://bdu.fstec.ru/vul/2017-02409 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14061 · Security Note
• https://gitlab.com/libidn/libidn2/commit/16853b6973a1e72fee2b7cccda85472cb9951305 · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14062 · Security Note
• https://bdu.fstec.ru/vul/2017-02410 · Security Note
• https://osv.dev/vulnerability/CVE-2017-14061 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2017-2357 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14061 · Security Note
• https://packages.altlinux.org/ru/vuln/CVE-2017-14061 · Note
• https://strelets.net/patchi-i-obnovleniya-bezopasnosti#16012023 · Note
• https://gitlab.com/libidn/libidn2/blob/master/NEWS · Note