https://aznot.com/index.php?action=history&feed=atom&title=Terrapin 2026-04-28T03:27:32Z Revision history for this page on the wiki MediaWiki 1.41.0 https://aznot.com/index.php?title=Terrapin&diff=6723&oldid=prev 2024-01-05T06:12:52Z

<p><span dir="auto"><span class="autocomment">Scanner</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 06:12, 5 January 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Scanner ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Scanner ==</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">&lt;blockquote&gt;If you want to check an SSH client or server for its susceptibility to Terrapin, the Ruhr University Bochum team provides a vulnerability scanner.&lt;ref&gt;Nearly 11 million SSH servers vulnerable to new Terrapin attacks - https://www.bleepingcomputer.com/news/security/nearly-11-million-ssh-servers-vulnerable-to-new-terrapin-attacks/&lt;/ref&gt;&lt;/blockquote&gt;</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  RUB-NDS/Terrapin-Scanner: This repository contains a simple vulnerability scanner for the Terrapin attack present in the paper &quot;Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation&quot;.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  RUB-NDS/Terrapin-Scanner: This repository contains a simple vulnerability scanner for the Terrapin attack present in the paper &quot;Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation&quot;.</div></td></tr> <!-- diff cache key aznot:diff:1.41:old-6722:rev-6723:php=table --> </table>

Kenneth https://aznot.com/index.php?title=Terrapin&diff=6722&oldid=prev 2024-01-05T06:11:45Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 06:11, 5 January 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l74">Line 74:</td> <td colspan="2" class="diff-lineno">Line 74:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://i.imgur.com/zcWtsfI.png</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://i.imgur.com/zcWtsfI.png</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== keywords ==</ins></div></td></tr> <!-- diff cache key aznot:diff:1.41:old-6721:rev-6722:php=table --> </table>

Kenneth https://aznot.com/index.php?title=Terrapin&diff=6721&oldid=prev 2024-01-05T06:11:08Z

<p>Created page with &quot;== Scanner == RUB-NDS/Terrapin-Scanner: This repository contains a simple vulnerability scanner for the Terrapin attack present in the paper &quot;Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation&quot;. https://github.com/RUB-NDS/Terrapin-Scanner export $GOPATH=~/.gobin go install github.com/RUB-NDS/Terrapin-Scanner@latest ln -s ../.go/bin/Terrapin-Scanner ~/.bin/Terrapin-Scanner Scan the SSH server available at localhost port 2222 ./Terrapi...&quot;</p> <p><b>New page</b></p><div>== Scanner ==<br /> <br /> RUB-NDS/Terrapin-Scanner: This repository contains a simple vulnerability scanner for the Terrapin attack present in the paper &quot;Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation&quot;.<br /> https://github.com/RUB-NDS/Terrapin-Scanner<br /> <br /> export $GOPATH=~/.gobin<br /> go install github.com/RUB-NDS/Terrapin-Scanner@latest<br /> ln -s ../.go/bin/Terrapin-Scanner ~/.bin/Terrapin-Scanner<br /> <br /> Scan the SSH server available at localhost port 2222<br /> ./Terrapin-Scanner --connect localhost:2222<br /> <br /> If no port is specified, the tool will default to port 22 instead<br /> ./Terrapin-Scanner --connect localhost<br /> <br /> <br /> === Bad Result ===<br /> <br /> &lt;pre&gt;<br /> $ Terrapin-Scanner -connect host1.com<br /> ================================================================================<br /> ==================================== Report ====================================<br /> ================================================================================<br /> <br /> Remote Banner: SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.4<br /> <br /> ChaCha20-Poly1305 support: true<br /> CBC-EtM support: false<br /> <br /> Strict key exchange support: false<br /> <br /> The scanned peer is VULNERABLE to Terrapin.<br /> <br /> Note: This tool is provided as is, with no warranty whatsoever. It determines<br /> the vulnerability of a peer by checking the supported algorithms and<br /> support for strict key exchange. It may falsely claim a peer to be<br /> vulnerable if the vendor supports countermeasures other than strict key<br /> exchange.<br /> <br /> For more details visit our website available at https://terrapin-attack.com<br /> &lt;/pre&gt;<br /> <br /> https://i.imgur.com/cbKxWe7.png<br /> <br /> === Ok Result ===<br /> <br /> (same host, but after apt update, apt upgrade...)<br /> <br /> &lt;pre&gt;<br /> $ Terrapin-Scanner -connect host1.com<br /> ================================================================================<br /> ==================================== Report ====================================<br /> ================================================================================<br /> <br /> Remote Banner: SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.6<br /> <br /> ChaCha20-Poly1305 support: true<br /> CBC-EtM support: false<br /> <br /> Strict key exchange support: true<br /> <br /> The scanned peer supports Terrapin mitigations and can establish<br /> connections that are NOT VULNERABLE to Terrapin. Glad to see this.<br /> For strict key exchange to take effect, both peers must support it.<br /> <br /> Note: This tool is provided as is, with no warranty whatsoever. It determines<br /> the vulnerability of a peer by checking the supported algorithms and<br /> support for strict key exchange. It may falsely claim a peer to be<br /> vulnerable if the vendor supports countermeasures other than strict key<br /> exchange.<br /> <br /> For more details visit our website available at https://terrapin-attack.com<br /> &lt;/pre&gt;<br /> <br /> https://i.imgur.com/zcWtsfI.png</div>

Kenneth