Bug 1542257 (CVE-2018-6542) - CVE-2018-6542 zziplib: bus error in zzip_disk_findfirst function in zzip/mmapped.c
Summary: CVE-2018-6542 zziplib: bus error in zzip_disk_findfirst function in zzip/mma...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-6542
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1542259
Blocks: 1542260
TreeView+ depends on / blocked
 
Reported: 2018-02-05 23:22 UTC by Laura Pardo
Modified: 2019-09-29 14:31 UTC (History)
3 users (show)

Fixed In Version: zziplib 0.13.68
Clone Of:
Environment:
Last Closed: 2018-02-23 10:32:40 UTC
Embargoed:

Attachments (Terms of Use)

Description Laura Pardo 2018-02-05 23:22:56 UTC 
A flaw was found in ZZIPlib 0.13.67, there is a bus error (when handling a disk64_trailer seek value) caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. 

References: 
https://github.com/gdraheim/zziplib/issues/17

Patch:
https://github.com/gdraheim/zziplib/commit/931f962ddfec0e00d6f486df2c56d9857b55944e
Comment 1 Laura Pardo 2018-02-05 23:23:25 UTC 
Created zziplib tracking bugs for this issue:

Affects: fedora-all [bug 1542259]
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