CVE-2017-14062
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-14062
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-14062.html
Vendor advisory: cve@mitre.org — https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
Vendor advisory: cve@mitre.org — https://gitlab.com/libidn/libidn2/blob/master/NEWS
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.33-2 |
| debian | bullseye | fixed | 1.33-2 |
| debian | forky | fixed | 1.33-2 |
| debian | sid | fixed | 1.33-2 |
| debian | trixie | fixed | 1.33-2 |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
| debian | 10.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | libidn2 | {"endExcluding":"2.0.4"} | 2.0.4 |
References
- http://www.debian.org/security/2017/dsa-3988
- https://gitlab.com/libidn/libidn2/blob/master/NEWS
- https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
- https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html
- https://www.suse.com/security/cve/CVE-2017-14062.html
- https://security-tracker.debian.org/tracker/CVE-2017-14062
CWEs
CWE-190
Verify integrity in audit chain (admin only). AS-IS.