PT-2017-3045 · Gnu+3 · Libidn2+3

Published 2017-08-01 · Updated 2021-03-15 · CVE-2017-14062

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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 decode digit function in puny decode.c, which can be exploited by remote attackers to cause a denial of service or possibly 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 decode digit function in puny decode.c until a patch is available.

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2017-2357

ALT-PU-2018-1106

BDU:2017-02409

CVE-2017-14062

DLA-1084-1

DLA-1085-1

DLA-1447-1

DSA-3988-1

MGASA-2017-0365

OPENSUSE-SU-2024:10949-1

SUSE-SU-2018:0878-1

SUSE-SU-2018:0903-1

SUSE-SU-2018_0878-1

SUSE-SU-2018_0903-1

USN-3421-1

USN-3421-2

USN-3434-1

USN-3434-2

Affected Products

Alt Linux

Libidn2

Suse

Ubuntu

References · 51

• https://security-tracker.debian.org/tracker/CVE-2017-14062 · Vendor Advisory
• https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd · Patch
• https://osv.dev/vulnerability/DSA-3988-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3434-2 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3434-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6263 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2018:0903-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-02409 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20200327SE16 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14061 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-14062 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14062 · Security Note
• https://osv.dev/vulnerability/MGASA-2017-0365 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-14062 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DLA-1447-1 · Vendor Advisory