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Bug #3720

closed

Incorrect handling of ASN1 relative_offset keyword

Added by Emmanuel Thompson over 4 years ago. Updated over 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Emmanuel Thompson
Target version:
6.0.0beta1
Affected Versions:
Effort:
Difficulty:
Label:
Needs backport

Description

The relative_offset keyword option allows to read past the front of the buffer with a negative offset, no bounds checking is done on this i32 value and is not relative to the last "content" match

Related issues 2 (0 open — 2 closed)

Copied to Suricata - Bug #3738: Incorrect handling of ASN1 relative_offset keywordClosedShivani BhardwajActions
Copied to Suricata - Bug #3739: Incorrect handling of ASN1 relative_offset keywordClosedJeff LucovskyActions
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