CVE-2026-125371: falha de média gravidade em tinyproxy
Tinyproxy through 1.11.3 Hostname ACL Allow-List Bypass via Suffix Match
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10Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.3
Tinyproxy through 1.11.3 contains an access control bypass vulnerability in acl_string_processing() in src/acl.c that compares only trailing hostname characters without checking DNS label boundaries. Attackers controlling the PTR record for their source IP, such as untrusted.net, can satisfy an 'Allow trusted.net' entry to use the proxy despite deny-by-default ACLs.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Produtos afetados
tinyproxy · tinyproxyCVEs relacionadas — tinyproxy
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Referências
https://github.com/tinyproxy/tinyproxyhttps://github.com/tinyproxy/tinyproxy/blob/1.11.3/src/acl.c#L156-L174https://github.com/tinyproxy/tinyproxy/commit/3991ac8f98c6a9f05b3265018b812dbf2ca92c28https://github.com/tinyproxy/tinyproxy/issues/627https://www.vulncheck.com/advisories/tinyproxy-through-1.11.3-hostname-acl-allow-list-bypass-via-suffix-match