CVE-2017-3204GHSA-XHJQ-W7XM-P8QJGO-2020-0013
The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 0.0.0-20170330155735-e4e2799dd7aa
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.
Timeline
- CVE published
- Record last updated
Affected versions
- Go SSH library
prior to commit e4e2799
- golang.org/x/cryptoGo
fixed in 0.0.0-20170330155735-e4e2799dd7aa