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Dlitz » Pycrypto : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2018-6594 310 +Info 2018-02-03 2018-04-10
5.0
None Remote Low Not required Partial None None
lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for PyCrypto's ElGamal implementation.
2 CVE-2013-7459 119 Exec Code Overflow 2017-02-15 2017-06-30
7.5
None Remote Low Not required Partial Partial Partial
Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.
3 CVE-2013-1445 310 +Info 2013-10-26 2013-10-28
4.3
None Remote Medium Not required Partial None None
The Crypto.Random.atfork function in PyCrypto before 2.6.1 does not properly reseed the pseudo-random number generator (PRNG) before allowing a child process to access it, which makes it easier for context-dependent attackers to obtain sensitive information by leveraging a race condition in which a child process is created and accesses the PRNG within the same rate-limit period as another process.
4 CVE-2012-2417 310 2012-06-16 2017-08-28
4.3
None Remote Medium Not required None Partial None
PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key.
Total number of vulnerabilities : 4   Page : 1 (This Page)
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