Vulnerability · Published Dec 1, 2021 · Assigned by @huntrdev
CVE-2021-3990Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc
Medium 6.5
In plain English
A medium-severity security flaw in star7th/showdoc from star7th. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | showdoc/showdoc | 2.9.13 | GHSA-vrgh-5w3c-ggf8 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| star7th | star7th/showdoc | unspecified – before 2.9.13 |
Weakness: CWE-338 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
References
- https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f x_refsource_CONFIRM
- https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0 x_refsource_MISC