CVE-2025-22869 (GCVE-0-2025-22869)

Vulnerability from cvelistv5 – Published: 2025-02-26 03:07 – Updated: 2025-04-11 22:03
VLAI?
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
Go
References
Impacted products
Vendor Product Version
golang.org/x/crypto golang.org/x/crypto/ssh Affected: 0 , < 0.35.0 (semver)
Create a notification for this product.
Credits
Yuichi Watanabe
Show details on NVD website
To clipboard 

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              "userInteraction": "NONE",
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            {
              "name": "handshakeTransport.kexLoop"
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              "name": "handshakeTransport.writePacket"
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              "name": "Client.Dial"
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            {
              "name": "Client.DialContext"
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            {
              "name": "Client.DialTCP"
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              "name": "Client.Listen"
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            {
              "name": "Client.ListenTCP"
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              "name": "Client.ListenUnix"
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            {
              "name": "Client.NewSession"
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              "name": "Request.Reply"
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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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            {
              "name": "channel.Reject"
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            {
              "name": "channel.SendRequest"
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            {
              "name": "channel.Write"
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            {
              "name": "channel.WriteExtended"
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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"
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              "name": "dhGroup.Client"
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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"
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            {
              "name": "sshClientKeyboardInteractive.Challenge"
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              "name": "tcpListener.Accept"
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.