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🛡️ GHSA-373w-rj84-pv6x — safeurl-python

🟢 CVSS 2.0 — Low ✅ No Known Exploit OSV
2.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

SafeURL-Python's hostname blocklist does not block FQDNs

Description

If a hostname was blacklisted, it was possible to bypass the blacklist by requesting the FQDN of the host (e.g. adding . to the end).

Impact

The main purpose of this library is to block requests to internal/private IPs and these cannot be bypassed using this finding. But if a library user had specifically set certain hostnames as blocked, then an attacker would be able to circumvent that block to cause SSRFs to request those hostnames.

Patches

Fixed by https://github.com/IncludeSecurity/safeurl-python/pull/6

Credit

https://github.com/Sim4n6

Affected software

GHSA-373w-rj84-pv6x is recorded against 1 package.

  • safeurl-python (fixed in 1.3)

Timeline and source

Published on 29 June 2023 and last revised on 14 February 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)

Details

Severity LOW
CVSS Score 2.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2023-06-29
Updated 2026-08-20
Modified 2025-02-14
Fix URL N/A

Affected Packages

Software From version Fixed in
safeurl-python — 1.3

Similar Threats

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