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Issue metadata

Status: Verified
Owner:
Closed: Feb 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Android , Windows , Chrome , Mac
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in FPDFAPI_inflate

Project Member Reported by ClusterFuzz, Jan 17 2017

Issue description

Project Member

Comment 1 by sheriffbot@chromium.org, Jan 18 2017

Labels: M-56
Project Member

Comment 2 by sheriffbot@chromium.org, Jan 18 2017

Labels: Pri-1

Comment 3 by palmer@chromium.org, Jan 18 2017

Components: Internals>Plugins>PDF
Labels: OS-Android OS-Chrome OS-Mac OS-Windows
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
Assigning to tsepez for PDF funs.
Project Member

Comment 4 by sheriffbot@chromium.org, Feb 1 2017

tsepez: Uh oh! This issue still open and hasn't been updated in the last 14 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 5 by sheriffbot@chromium.org, Feb 15 2017

tsepez: Uh oh! This issue still open and hasn't been updated in the last 28 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 6 by ClusterFuzz, Feb 28 2017

ClusterFuzz has detected this issue as fixed in range 453290:453333.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6656157650518016

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  FPDFAPI_inflate
  ZIPDecode
  TIFFReadEncodedStrip
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=453290:453333

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv977b-L43IzmpWY_vZGIHGze_Sjqs8PaZGsm1E-JdnxpyuuN0lBe6YeyfNWCrwYRTEhUp1i3u70wbterPEV1o-5-JeXtl5aImsYCXxXpcpFyq-SxTygXGF8AmznMjT6B_ByDD7Rz7ZfOQEqJBWbjEfVnpFG8DCMrwm1AprWfPm-6LmrFQ-8gPUYZqSGtOK1Ui_g-LnJqnRfXTP0K8ZwEJQqDwawfIP1ZDC-3PphRd-wdYZB6r3aQ4_wIDlr_RTCUMXwQdWdntoRncDxQJ-FEgpnnRGFqyqTAIhTY3xTwnGuc8P6WbBGrc62NW8I9QJaX4MvXsyYcxcBnNRXReqzPbteo6u1nNqNH9k8mLUhLZHDz-Z9RQAE?testcase_id=6656157650518016


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 7 by ClusterFuzz, Feb 28 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6656157650518016 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 8 by sheriffbot@chromium.org, Mar 1 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -M-56 M-58
Labels: Release-0-M58
Project Member

Comment 11 by sheriffbot@chromium.org, Jun 7 2017

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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