Integer Overflow Vulnerability in Libidn2 by the Vendor
CVE-2017-14062

9.8CRITICAL

Key Information:

Vendor

Gnu
Status
Libidn2
Vendor
CVE Published:
31 August 2017

What is CVE-2017-14062?

An integer overflow vulnerability exists in the decode_digit function of puny_decode.c within Libidn2 versions prior to 2.0.4, allowing remote attackers to exploit the flaw. This could lead to a denial of service or potentially enable other unspecified impacts, compromising the integrity and availability of applications relying on Libidn2 for Internationalized Domain Name (IDN) support.

References

http://www.debian.org/security/2017/dsa-3988
vendor-advisoryx_refsource_DEBIAN
https://gitlab.com/libidn/libidn2/blob/master/NEWS
x_refsource_CONFIRM
https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.