Timing Attack

python3.9 is vulnerable to Improper Access Control. The vulnerability exists due to a flaw in the way the hmac.comparedigest function in the Lib/hmac.py module compares two message digests. An attacker can exploit this vulnerability to distinguish between different message digests, which could be...

Security Advisory 2880823: Recommendation to discontinue use of SHA-1

Microsoft is recommending that customers and CA’s stop using SHA-1 for cryptographic applications, including use in SSL/TLS and code signing. Microsoft Security Advisory 2880823 has been released along with the policy announcement that Microsoft will stop recognizing the validity of SHA-1 based...