-
Notifications
You must be signed in to change notification settings - Fork 599
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Security problem #341
Comments
Thanks for notifying me. I'll patch and release it as soon as possible. Shouldn't be too hard. Do you know whether there is a good English translation available of the security leak? Sent from my Samsung SM-G950F using FastHub |
Hi @shargon I've made a PR for this, can you check whether this fixes the problem? Thanks! |
Thanks for the quickly fix of the bug, the problem for test it, its that im not expert Java programmer (only in android) and i found this bug via HackerOne. But i can see your test, and aparently are ok, if the method receibe the download of a file 'foo' can't get 'bar' or similar, only the 'foo' file must be right If you see the video at 26 second "https://www.youtube.com/watch?v=gKnDuLy4bwk&feature=youtu.be&t=26s" you can see the attack, provide a fake name for produce the save in other path GOOD WORK Sorry for my english |
* Check whether filename is a child of the current file (Fixes hierynomus#341) * Fixed codacy * Updated README release notes * Removed oraclejdk7 as that is no longer supported on trusty, added openjdk * Added gradle caching to travis config * Removed use of DataTypeConverter as that is no longer in default JDK9 * Removed build of broken openJDK7 in favour of using animal-sniffer to detect java 1.6 compatibility * Improved test stability * Correctly determine KeyType for ECDSA public key (Fixes hierynomus#356) * fixed build * Fixed Java9 build? * Disambiguated signature initialization * Removed deprecated method * Organised imports * Added 'out/' to gitignore * Added support for new-style fingerprints (hierynomus#365) * Added support for new-style fingerprints * Fixed codacy warnings * Fix decoding signature bytes (Fixes hierynomus#355, hierynomus#354) (hierynomus#361) * Fix for signature verify in DSA * Cleaned up signature verification * Fixed import * Ignored erroneous pmd warnings * Updated JavaDoc * Extracted ASN.1/DER encoding to method (hierynomus#368) * Update net.i2p.crypto:eddsa to 0.2.0 (hierynomus#372) * Update net.i2p.crypto:eddsa to 0.2.0 * Update net.i2p.crypto.eddsa to 0.2.0 * Update net.i2p.crypto.eddsa to 0.2.0 * Update net.i2p.crypto.eddsa to 0.2.0 * Log security provider registration failures (hierynomus#374) * Migrate remaining block ciphers * Updated README for v0.23.0 release * Using new release plugin * Updated build plugins * Fix escaping in WildcardHostMatcher (hierynomus#382) * Escape '[' and ']' in WildcardHostMatcher * Anchoring regex to match entire string (Fixes hierynomus#381) * Updated builds to include CodeCov * - Experimenting with travis * - fix ip for online testing * - account for different working dir * - yaml-yaml * - double before_install * - still -d * - try common format * - Fixed server keys - Use sshj branding * - grr, ip * - minor improvements * - eh? * - switch username back * - orly? * - desperation * - One more time * Upgraded gradle to cope with java9 * Separated out integration tests * Fixed length bug in putString (Fixes hierynomus#187) * Removed docker from travis yml as it is included in gradle build now * Added integration test to travis * Update AndroidConfig (hierynomus#389) * Add EdDSA signature for AndroidConfig. * Initialize KeyExchange- and FileKeyProviderFactories with registered "bouncyCastle" (in fact, SpongyCastle is registered). See hierynomus#308 for discussion. * Added integration test for append scenario (Fixes hierynomus#390) * Fixed headers
This library have a hight security problem, exposed in this spanish blog "https://www.fwhibbit.es/0day-senor-tiname-el-sobrero-rfi-por-ssh"
SCP accept any name, and could produce a RFI in scenario like this
https://youtu.be/gKnDuLy4bwk
There is no check of the file name at "https://github.com/hierynomus/sshj/blob/master/src/main/java/net/schmizz/sshj/xfer/scp/SCPDownloadClient.java#L156" and "
sshj/src/main/java/net/schmizz/sshj/xfer/FileSystemFile.java
Line 157 in c9775ca
The text was updated successfully, but these errors were encountered: