Bug ID 520205: Rewrite plugin could crash on malformed ActionScript 3 block in Flash file

Last Modified: Oct 01, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.4.1, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3 HF2, 11.4.1 HF9

Opened: Apr 27, 2015
Severity: 3-Major

Symptoms

The rewrite plugin crashes. The following log message is in the log: ../fm_patchers/abc/abcScanner.cpp:70: void abc::abcScanner::has(size_t): Assertion `GetRemaining() >= (ssize_t)l' failed.

Impact

Portal Access services restart.

Conditions

Input file is truncated or contains invalid bytecode instructions at the end of doabc/doabcdefine tag.

Workaround

None

Fix Information

Rewrite plugin no longer crashes on truncated or malformed Adobe Flash files with incorrect ActionScript 3 method body blocks.

Behavior Change