cve-2025-22869
Vulnerability from cvelistv5
Published
2025-02-26 03:07
Modified
2025-02-26 14:57
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS score ?
0.09% (0.22957)
Summary
SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.
References
security@golang.orghttps://go.dev/cl/652135
security@golang.orghttps://go.dev/issue/71931
security@golang.orghttps://pkg.go.dev/vuln/GO-2025-3487
Impacted products
Vendor Product Version
golang.org/x/crypto golang.org/x/crypto/ssh Version: 0   ≤
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                     attackVector: "NETWORK",
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                     baseScore: 7.5,
                     baseSeverity: "HIGH",
                     confidentialityImpact: "NONE",
                     integrityImpact: "NONE",
                     privilegesRequired: "NONE",
                     scope: "UNCHANGED",
                     userInteraction: "NONE",
                     vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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                        timestamp: "2025-02-26T14:57:07.968721Z",
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               shortName: "CISA-ADP",
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               collectionURL: "https://pkg.go.dev",
               defaultStatus: "unaffected",
               packageName: "golang.org/x/crypto/ssh",
               product: "golang.org/x/crypto/ssh",
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                     name: "newHandshakeTransport",
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                  {
                     name: "handshakeTransport.recordWriteError",
                  },
                  {
                     name: "handshakeTransport.kexLoop",
                  },
                  {
                     name: "handshakeTransport.writePacket",
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                  {
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                  {
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                     name: "Dial",
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                     name: "DiscardRequests",
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                     name: "NewClient",
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                     name: "Session.Close",
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                     name: "Session.Start",
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                     name: "Session.WindowChange",
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                     name: "channel.Accept",
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                     name: "channel.Close",
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                  {
                     name: "channel.CloseWrite",
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                  {
                     name: "channel.Read",
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                  {
                     name: "channel.ReadExtended",
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                  {
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                  {
                     name: "connection.SendAuthBanner",
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                  {
                     name: "curve25519sha256.Client",
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                  {
                     name: "curve25519sha256.Server",
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                  {
                     name: "dhGEXSHA.Client",
                  },
                  {
                     name: "dhGEXSHA.Server",
                  },
                  {
                     name: "dhGroup.Client",
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                  {
                     name: "dhGroup.Server",
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                  {
                     name: "ecdh.Client",
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                  {
                     name: "ecdh.Server",
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                  {
                     name: "extChannel.Read",
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                  {
                     name: "extChannel.Write",
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                  {
                     name: "mux.OpenChannel",
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                  {
                     name: "mux.SendRequest",
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                  {
                     name: "sessionStdin.Close",
                  },
                  {
                     name: "sshClientKeyboardInteractive.Challenge",
                  },
                  {
                     name: "tcpListener.Accept",
                  },
                  {
                     name: "tcpListener.Close",
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      datePublished: "2025-02-26T03:07:48.855Z",
      dateReserved: "2025-01-08T19:11:42.834Z",
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      state: "PUBLISHED",
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