HTTP: Post Bad Header Evasion

This signature detects attempts to exploit a known vulnerability against EmbedThis GoAhead. A successful attack can lead to denial of service.

Extended Description

In http.c in Embedthis GoAhead before 4.1.1 and 5.x before 5.0.1, a header parsing vulnerability causes a memory assertion, out-of-bounds memory reference, and potential DoS, as demonstrated by a colon on a line by itself.

Affected Products

Embedthis goahead

References

CVE: CVE-2019-12822

Short Name
HTTP:HEADER:POST-BAD-HEADER
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Bad CVE-2019-12822 Evasion Header Post
Release Date
01/06/2020
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
3337
False Positive
Unknown
Vendors

Embedthis

CVSS Score

5.0

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