HTTP: Ntop-NG CVE-2018-12520 Authentication Bypass

This signature detects attempts to exploit a known vulnerability against Ntop-NG. A successful attack can lead to arbitrary code execution.

Extended Description

An issue was discovered in ntopng 3.4 before 3.4.180617. The PRNG involved in the generation of session IDs is not seeded at program startup. This results in deterministic session IDs being allocated for active user sessions. An attacker with foreknowledge of the operating system and standard library in use by the host running the service and the username of the user whose session they're targeting can abuse the deterministic random number generation in order to hijack the user's session, thus escalating their access.

Affected Products

Ntop ntopng

References

CVE: CVE-2018-12520

Short Name
HTTP:MISC:NTOP-NG-AUTH-BY
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
Authentication Bypass CVE-2018-12520 Ntop-NG
Release Date
01/09/2020
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3415
False Positive
Unknown
Vendors

Ntop

CVSS Score

6.8

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