Description
phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature() reads a URL out of that certificate's Authority Information Access (AIA) extension and connects to it. Attacker who supplies certificate fully controls host, port, and path of that connection. URL fetching is enabled by default, and no destination is blocked. An unauthenticated attacker can therefore make a validating server open connections to internal hosts and ports it should never reach, for example loopback 127.0.0.1, cloud metadata address 169.254.169.254, and internal-only services. This is a server-side request forgery (SSRF) caused by an insecure default. This vulnerability is fixed in 1.0.30, 2.0.55, and 3.0.54.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =2.0.42-1 || =2.0.42-1+deb12u1 || =2.0.42-1+deb12u2 || =2.0.42-1+deb12u3 || =2.0.42-1+deb12u5 || =2.0.44-1 || =2.0.45-1 || =2.0.46-1 || =2.0.47-1 || =2.0.47-2 || =2.0.47-3 || =2.0.48-1 || =2.0.48-2 || =2.0.48-3 || =2.0.49-1 || =2.0.50-1 || =2.0.51-1 || =2.0.52-1 || =2.0.53-1 || =2.0.54-1 || =2.0.55-1 || =3.0.2-1 | - |
debian 14 | | =2.0.48-3 || =2.0.49-1 || =2.0.50-1 || =2.0.51-1 || =2.0.52-1 || =2.0.53-1 || =2.0.54-1 || >=0 <2.0.55-1 | 2.0.55-1 |
debian 13 | | =3.0.43-2 || =3.0.43-2+deb13u1 || =3.0.43-2+deb13u3 || =3.0.44-1 || =3.0.44-2 || =3.0.45-1 || =3.0.46-1 || =3.0.46-2 || =3.0.47-1 || =3.0.48-1 || =3.0.49-1 || =3.0.50-1 || =3.0.51-1 || =3.0.52-1 || =3.0.52-2 || =3.0.53-1 || =3.0.55-1 || =3.0.56-1 || =3.0.57-1 | - |
debian 11 | | =1.0.19-3 || =1.0.19-3+deb11u1 || =1.0.19-3+deb11u2 || =1.0.19-3+deb11u3 || =1.0.20-1 || =1.0.21-1 || =1.0.21-2 || =1.0.22-1 || =1.0.23-1 || =1.0.23-2 || =1.0.23-3 || =1.0.23-4 || =1.0.23-5 || =1.0.23-6 || =1.0.24-1 || =1.0.27-1 || =1.0.28-1 || =1.0.29-1 || =1.0.30-1 || =2.0.0-1 || =2.0.1-1 | - |
debian 12 | | =1.0.20-1 || =1.0.20-1+deb12u1 || =1.0.20-1+deb12u2 || =1.0.20-1+deb12u3 || =1.0.20-1+deb12u5 || =1.0.21-1 || =1.0.21-2 || =1.0.22-1 || =1.0.23-1 || =1.0.23-2 || =1.0.23-3 || =1.0.23-4 || =1.0.23-5 || =1.0.23-6 || =1.0.24-1 || =1.0.27-1 || =1.0.28-1 || =1.0.29-1 || =1.0.30-1 || =2.0.0-1 || =2.0.1-1 | - |
debian 13 | | =1.0.23-6 || =1.0.23-6+deb13u1 || =1.0.23-6+deb13u3 || =1.0.24-1 || =1.0.27-1 || =1.0.28-1 || =1.0.29-1 || =1.0.30-1 || =2.0.0-1 || =2.0.1-1 | - |
debian 13 | | =2.0.48-3 || =2.0.48-3+deb13u1 || =2.0.48-3+deb13u3 || =2.0.49-1 || =2.0.50-1 || =2.0.51-1 || =2.0.52-1 || =2.0.53-1 || =2.0.54-1 || =2.0.55-1 || =3.0.2-1 | - |
debian 14 | | =3.0.43-2 || =3.0.44-1 || =3.0.44-2 || =3.0.45-1 || =3.0.46-1 || =3.0.46-2 || =3.0.47-1 || =3.0.48-1 || =3.0.49-1 || =3.0.50-1 || =3.0.51-1 || =3.0.52-1 || =3.0.52-2 || =3.0.53-1 || >=0 <3.0.55-1 | 3.0.55-1 |
debian 12 | | =3.0.19-1 || =3.0.19-1+deb12u1 || =3.0.19-1+deb12u2 || =3.0.19-1+deb12u3 || =3.0.19-1+deb12u4 || =3.0.19-1+deb12u6 || =3.0.20-1 || =3.0.21-1 || =3.0.21-2 || =3.0.22-1 || =3.0.23-1 || =3.0.33-1 || =3.0.34-1 || =3.0.35-1 || =3.0.36-1 || =3.0.37-1 || =3.0.38-1 || =3.0.39-1 || =3.0.41-1 || =3.0.42-1 || =3.0.43-1 || =3.0.43-2 || =3.0.44-1 || =3.0.44-2 || =3.0.45-1 || =3.0.46-1 || =3.0.46-2 || =3.0.47-1 || =3.0.48-1 || =3.0.49-1 || =3.0.50-1 || =3.0.51-1 || =3.0.52-1 || =3.0.52-2 || =3.0.53-1 || =3.0.55-1 || =3.0.56-1 || =3.0.57-1 | - |
debian 11 | | =2.0.30-2 || =2.0.30-2+deb11u1 || =2.0.30-2+deb11u2 || >=0 <2.0.30-2+deb11u3 | 2.0.30-2+deb11u3 |
