Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package ndpi (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN8-NDPI-567632
- published27 Apr 2020
- disclosed23 Apr 2020
Introduced: 23 Apr 2020
CVE-2020-11939 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ndpi package and not the ndpi package as distributed by Debian.
In nDPI through 3.2 Stable, the SSH protocol dissector has multiple KEXINIT integer overflows that result in a controlled remote heap overflow in concat_hash_string in ssh.c. Due to the granular nature of the overflow primitive and the ability to control both the contents and layout of the nDPI library's heap memory through remote input, this vulnerability may be abused to achieve full Remote Code Execution against any network inspection stack that is linked against nDPI and uses it to perform network traffic analysis.