Security readout for executives and security teams
Plain-English summary
Crypt::Random::Source before 0.13 could fall back to Perl's built-in rand(), which is not suitable for security secrets. If an application relied on this package for tokens, keys, or other sensitive random values, confidentiality protections may be weaker than expected.
Executive priority
Treat as a targeted dependency hygiene issue with potentially serious confidentiality consequences. Prioritize systems that generate authentication tokens, cryptographic material, or customer-sensitive secrets using Perl components.
Technical view
The CVE describes CWE-338 in Crypt::Random::Source before 0.13: an insecure fallback random source using rand(). The CVSS 3.1 score is 7.5, driven by potential confidentiality impact. The source bundle does not identify specific downstream products or confirmed affected deployments.
Likely exposure
Exposure is most likely in Perl applications or dependencies using Crypt::Random::Source versions before 0.13 for security-sensitive randomness. Transitive dependency use may matter. The CVE record lists affected vendor/product fields as n/a, so asset identification requires local dependency review.
Exploitation context
The bundle does not show KEV listing or cited active exploitation. The realistic concern is design-level weakness: predictable or insufficient random bits could weaken generated secrets. Evidence here does not support claims of public exploit activity or specific attack campaigns.
Researcher notes
The available sources establish the vulnerable behavior and version boundary, but not affected downstream products, exploit activity, or environment-specific trigger conditions. Validation should focus on dependency presence and security-sensitive use of generated random values.
Mitigation direction
- Inventory Perl applications and dependency locks for Crypt::Random::Source versions before 0.13.
- Upgrade Crypt::Random::Source to version 0.13 or later where present.
- Check upstream package guidance and release notes before deploying in production.
- Review secrets, tokens, or keys generated by exposed systems for replacement needs.
Validation and detection
- Confirm installed package versions in each Perl runtime and build artifact.
- Search dependency manifests for direct or transitive Crypt::Random::Source usage.
- Identify whether affected systems used the package for secrets, tokens, keys, or sessions.
- After remediation, verify tests pass and deployed artifacts no longer include pre-0.13 versions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-338: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-25107 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/karenetheridge/Crypt-Random-Source/pull/3CVE reference
- https://metacpan.org/release/ETHER/Crypt-Random-Source-0.13/changesCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.