Critical severity · published Aug 31, 2017
CVE-2017-14062
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other…
9.8
CVSS
3.9%
EPSS
No
On KEV
Description
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
LI
Libidn2 · Gnu
before 2.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14062
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14062
Third Party Advisory
http://www.debian.org/security/2017/dsa-3988
Release Notes
https://gitlab.com/libidn/libidn2/blob/master/NEWS
Patch
https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html
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