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CVE-2020-13777 PoC — GnuTLS 加密问题漏洞

Source
https://github.com/0xxon/cve-2020-13777
Associated Vulnerability
Title:GnuTLS 加密问题漏洞 (CVE-2020-13777)
Description:GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.
Description
Zeek script to detect servers vulnerable to CVE-2020-13777
File Snapshot

 [4.0K]  /data/pocs/8f5a68a0f4aeeb2736866d2c7f94bf5837fd2778
├── [1.4K]  COPYING
├── [1.7K]  Readme.md
├── [4.0K]  scripts
│   ├── [1.3K]  cve-2020-13777.zeek
│   └── [  28]  __load__.zeek
├── [4.0K]  testing
│   ├── [4.0K]  Baseline
│   │   └── [4.0K]  scripts.vulnerable
│   │       └── [ 429]  notice.log
│   ├── [ 422]  btest.cfg
│   ├── [ 381]  diff-remove-timestamps
│   ├── [1.3K]  get-zeek-env
│   ├── [  15]  Makefile
│   ├── [ 192]  random.seed
│   ├── [4.0K]  scripts
│   │   ├── [ 320]  non-vulnerable.zeek
│   │   └── [ 283]  vulnerable.zeek
│   └── [4.0K]  Traces
│       ├── [ 11K]  chrome-34-google.trace
│       ├── [8.4K]  gnutls-tls1.2-non-vulnerable.pcap
│       ├── [6.6K]  gnutls-tls1.2-vulnerable.pcap
│       └── [7.8K]  gnutls-tls1.3.pcap
└── [ 171]  zkg.meta

6 directories, 17 files
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