DEBIAN-CVE-2026-18536
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-18536
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18536.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-18536
- Upstream
- Published
- 2026-08-01T11:16:38Z
- Modified
- 2026-09-14T17:03:20Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP. The Data::Entropy::RawSource::RandomOrg and Data::Entropy::RawSource::RandomnumbersInfo remote sources are accessed over plain HTTP. The Data::Entropy::RawSource::RandomOrg integrity check trivially matches any non-empty byte string. Any on-path attacker, such as open WiFi, a compromised ISP, captive portal, or a hostile egress proxy substitutes the response and thereby chooses the bytes returned by rand_bits and rand_int for every application that selected one of these sources via with_entropy_source. The _checkbuf method response is equally attacker-controlled, so the retry/sleep behaviour is steerable too.
- References
Affected packages
Debian:12 / libdata-entropy-perl
Package
- Name
- libdata-entropy-perl
- Purl
- pkg:deb/debian/libdata-entropy-perl?arch=source&distro=bookworm
Debian:13 / libdata-entropy-perl
Package
- Name
- libdata-entropy-perl
- Purl
- pkg:deb/debian/libdata-entropy-perl?arch=source&distro=trixie
Debian:14 / libdata-entropy-perl
Package
- Name
- libdata-entropy-perl
- Purl
- pkg:deb/debian/libdata-entropy-perl?arch=source&distro=forky