Bug 1819163 (CVE-2020-10701) - CVE-2020-10701 libvirt: guest agent timeout can be set under read-only mode leading to DoS
Summary: CVE-2020-10701 libvirt: guest agent timeout can be set under read-only mode l...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-10701
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:
Blocks: 1819164
TreeView+ depends on / blocked
 
Reported: 2020-03-31 11:11 UTC by Marian Rehak
Modified: 2024-03-20 10:29 UTC (History)
16 users (show)

Fixed In Version: libvirt 6.2.0
Clone Of:
Environment:
Last Closed: 2020-04-02 16:32:06 UTC
Embargoed:

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Description Marian Rehak 2020-03-31 11:11:55 UTC 
A bug was reported internally about a bug in libvirt allowing a user on a read-only to change the response timeout for all guest agent messages. Changing this timeout can potentially cause some commands to fail.
Comment 3 Mauro Matteo Cascella 2020-04-02 11:13:20 UTC 
Statement:

This flaw did not affect the versions of `libvirt` as shipped with Red Hat Enterprise Linux 5, 6, 7, 8 and RHEL Advanced Virtualization, as they did not include the vulnerable code, which was introduced in a later version of the package. Specifically, `libvirt` API to change QEMU agent response timeout was added in `libvirt` upstream version v5.10.0.
Comment 4 Mauro Matteo Cascella 2020-04-02 13:46:32 UTC 
Upstream fix:
https://libvirt.org/git/?p=libvirt.git;a=commit;h=4cc90c2e62df653e909ad31fd810224bf8bcf913
Comment 6 Mauro Matteo Cascella 2020-04-03 14:37:08 UTC 
Acknowledgments:

Name: Lili Zhu (Red Hat)
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