Vulnerability · Published Apr 6, 2021 · Assigned by mitre
CVE-2021-30130
High 7.5
In plain English
A high-severity security flaw in the php-phpseclib package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.1%top 35.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | php-phpseclib | 2.0.30-2 | DEBIAN-CVE-2021-30130 |
| Debian:13 | php-phpseclib | 2.0.30-2 | DEBIAN-CVE-2021-30130 |
| Debian:14 | php-phpseclib | 2.0.30-2 | DEBIAN-CVE-2021-30130 |
| Debian:12 | php-phpseclib3 | 3.0.7-1 | DEBIAN-CVE-2021-30130 |
| Debian:13 | php-phpseclib3 | 3.0.7-1 | DEBIAN-CVE-2021-30130 |
| Debian:14 | php-phpseclib3 | 3.0.7-1 | DEBIAN-CVE-2021-30130 |
| Debian:12 | phpseclib | 1.0.19-3 | DEBIAN-CVE-2021-30130 |
| Debian:13 | phpseclib | 1.0.19-3 | DEBIAN-CVE-2021-30130 |
| Packagist | phpseclib/phpseclib | 2.0.31 | GHSA-vf4w-fg7r-5v94 |
| Packagist | phpseclib/phpseclib | 3.0.7 | GHSA-vf4w-fg7r-5v94 |
Affected products (as reported)
References
- https://github.com/phpseclib/phpseclib/pull/1635
- https://github.com/phpseclib/phpseclib/releases/tag/3.0.7
- https://github.com/phpseclib/phpseclib/releases/tag/2.0.31
- [debian-lts-announce] 20221117 [SECURITY] [DLA 3197-1] phpseclib security update mailing-list
- [debian-lts-announce] 20221117 [SECURITY] [DLA 3198-1] php-phpseclib security update mailing-list