Bug 1774027 (CVE-2019-17069) - CVE-2019-17069 putty: possible access to freed memory by sending the SSH1_MSG_DISCONNECT message
Summary: CVE-2019-17069 putty: possible access to freed memory by sending the SSH1_MSG...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-17069
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1774029 1774030 1774031
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-11-19 13:11 UTC by Guilherme de Almeida Suckevicz
Modified: 2019-11-19 18:51 UTC (History)
5 users (show)

Fixed In Version:
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Last Closed: 2019-11-19 18:51:13 UTC
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Description Guilherme de Almeida Suckevicz 2019-11-19 13:11:30 UTC 
PuTTY before 0.73 might allow remote SSH-1 servers to cause a denial of service by accessing freed memory locations via an SSH1_MSG_DISCONNECT message.

Reference:
https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html
Comment 1 Guilherme de Almeida Suckevicz 2019-11-19 13:11:50 UTC 
Created putty tracking bugs for this issue:

Affects: epel-6 [bug 1774029]
Affects: epel-7 [bug 1774030]
Affects: fedora-all [bug 1774031]
Comment 2 Product Security DevOps Team 2019-11-19 18:51:13 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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