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Bug #5535

libelf should check for e_phoff overflow

Added by Rich Lowe about 6 years ago. Updated about 6 years ago.

Status:
Closed
Priority:
Low
Assignee:
Rich Lowe
Category:
lib - userland libraries
Start date:
2015-01-13
Due date:
% Done:

100%

Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:

Description

libelf needs to guard against an e_phoff that is sufficiently large as to overflow when checking that the apparent location of the program header table is within the file bounds, otherwise libelf will read junk and (probably) crash.

#1

Updated by Electric Monk about 6 years ago

  • Status changed from In Progress to Closed
  • % Done changed from 90 to 100

git commit 18059eae28246ed2eef942a16364131202558094

commit  18059eae28246ed2eef942a16364131202558094
Author: Richard Lowe <richlowe@richlowe.net>
Date:   2015-01-16T16:16:22.000Z

    5535 libelf should check for e_phoff overflow
    Reviewed by: Dan McDonald <danmcd@omniti.com>
    Reviewed by: Bayard Bell <bayard.bell@nexenta.com>
    Approved by: Gordon Ross <gwr@nexenta.com>

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