Home
Bugtraq
Full List
Only Bugs
Only Tricks
Only Exploits
Only Dorks
Only CVE
Only CWE
Fake Notes
Ranking
CVEMAP
Full List
Show Vendors
Show Products
CWE Dictionary
Check CVE Id
Check CWE Id
Search
Bugtraq
CVEMAP
By author
CVE Id
CWE Id
By vendors
By products
RSS
Bugtraq
CVEMAP
CVE Products
Bugs
Exploits
Dorks
More
cIFrex
Facebook
Twitter
Donate
About
Submit
Vulnerabilities for
'Tlslite-ng'
2020-12-21
CVE-2020-26263
CWE-326
tlslite-ng is an open source python library that implements SSL and TLS cryptographic protocols. In tlslite-ng before versions 0.7.6 and 0.8.0-alpha39, the code that performs decryption and padding check in RSA PKCS#1 v1.5 decryption is data dependant. In particular, the code has multiple ways in which it leaks information about the decrypted ciphertext. It aborts as soon as the plaintext doesn't start with 0x00, 0x02. All TLS servers that enable RSA key exchange as well as applications that use the RSA decryption API directly are vulnerable. This is patched in versions 0.7.6 and 0.8.0-alpha39. Note: the patches depend on Python processing the individual bytes in side-channel free manner, this is known to not the case (see reference). As such, users that require side-channel resistance are recommended to use different TLS implementations, as stated in the security policy of tlslite-ng.
2018-04-18
CVE-2018-1000159
CWE-20
tlslite-ng version 0.7.3 and earlier, since commit d7b288316bca7bcdd082e6ccff5491e241305233 contains a CWE-354: Improper Validation of Integrity Check Value vulnerability in TLS implementation, tlslite/utils/constanttime.py: ct_check_cbc_mac_and_pad(); line "end_pos = data_len - 1 - mac.digest_size" that can result in an attacker manipulating the TLS ciphertext which will not be detected by receiving tlslite-ng. This attack appears to be exploitable via man in the middle on a network connection. This vulnerability appears to have been fixed after commit 3674815d1b0f7484454995e2737a352e0a6a93d8.
Copyright
2024
, cxsecurity.com
Back to Top
Vulnerabilities for 'Tlslite-ng' 