Vulnerability · Published Mar 31, 2021 · Assigned by mitre
CVE-2021-29662
High 7.5
In plain English
A high-severity security flaw in the libdata-validate-ip-perl package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.2%top 17.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The Data::Validate::IP module through 0.29 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libdata-validate-ip-perl | 0.30-1 | DEBIAN-CVE-2021-29662 |
| Debian:13 | libdata-validate-ip-perl | 0.30-1 | DEBIAN-CVE-2021-29662 |
| Debian:14 | libdata-validate-ip-perl | 0.30-1 | DEBIAN-CVE-2021-29662 |
Affected products (as reported)
References
- https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/ x_refsource_MISC
- https://github.com/houseabsolute/Data-Validate-IP/commit/3bba13c819d616514a75e089badd75002fd4f14e x_refsource_MISC
- https://sick.codes/sick-2021-018/ x_refsource_MISC
- https://github.com/houseabsolute/Data-Validate-IP x_refsource_MISC
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-018.md x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210604-0002/ x_refsource_CONFIRM