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Bug 1598234 - (CVE-2018-10893) CVE-2018-10893 spice-client: Insufficient encoding checks for LZ can cause different integer/buffer overflows
CVE-2018-10893 spice-client: Insufficient encoding checks for LZ can cause di...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180625,repor...
: Security
: 1594904 (view as bug list)
Depends On: 1598235 1598236 1598237 1598651 1598652 1598653
Blocks: 1598238
  Show dependency tree / graph
 
Reported: 2018-07-04 16:39 EDT by Laura Pardo
Modified: 2018-10-15 05:45 EDT (History)
17 users (show)

See Also:
Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A malicious server could cause the client to crash or, potentially, execute arbitrary code.
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
First patch (2.28 KB, patch)
2018-07-16 05:06 EDT, Christophe Fergeau 		no flags Details | Diff
Second patch (2.83 KB, patch)
2018-07-16 05:06 EDT, Christophe Fergeau 		no flags Details | Diff
Add an attachment (proposed patch, testcase, etc.)

  None (edit)
Description Laura Pardo 2018-07-04 16:39:23 EDT 
A flaw was found in spice-client. An improper check on LZ images sent by the server could lead to an integer/buffer overflows on the client.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1594904
Comment 1 Laura Pardo 2018-07-04 16:40:09 EDT 
Created mingw-spice-gtk tracking bugs for this issue:

Affects: fedora-all [bug 1598236]


Created spice-gtk tracking bugs for this issue:

Affects: fedora-all [bug 1598235]
Comment 7 Salvatore Bonaccorso 2018-07-07 02:24:17 EDT 
Hi Laura

Since the Red Hat reference is not accessible, are there any details available for this issue? Is the issue adressed already?

Regards,
Salvatore
Comment 10 Doran Moppert 2018-07-11 21:14:31 EDT 
Acknowledgments:

Name: Frediano Ziglio (Red Hat)
Comment 11 Christophe Fergeau 2018-07-16 05:06 EDT 
Created attachment 1459094 [details]
First patch
Comment 12 Christophe Fergeau 2018-07-16 05:06 EDT 
Created attachment 1459095 [details]
Second patch
Comment 16 Frediano Ziglio 2018-10-15 05:45:39 EDT 
*** Bug 1594904 has been marked as a duplicate of this bug. ***
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