CVE-2019-9824: Infoleak
First published: Tue Feb 19 2019(Updated: )
An information leak issue was found in the SLiRP networking implementation of the QEMU emulator. It occurs in tcp_emu() routine while emulating Identification protocol and crafted/malformed messages are sent making it return uninitialized variables. A user/process could use this flaw to read uninitialised stack memory contents from the QEMU process resulting in information leakage. Upstream patch: --------------- -> <a href="https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg01871.html">https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg01871.html</a> Reference: ---------- -> <a href="https://www.openwall.com/lists/oss-security/2019/03/18/1">https://www.openwall.com/lists/oss-security/2019/03/18/1</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu-kvm | <2:0.12.1.2-2.506.el6_10.4 | 2:0.12.1.2-2.506.el6_10.4 |
| redhat/qemu-kvm | <10:1.5.3-167.el7 | 10:1.5.3-167.el7 |
| redhat/qemu-kvm-rhev | <10:2.12.0-33.el7 | 10:2.12.0-33.el7 |
| QEMU qemu | =3.0.0 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.2.0+ds-2 | |
| debian/slirp4netns | 1.0.1-2 1.2.0-1 1.2.1-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-9824 https://nvd.nist.gov/vuln/detail/CVE-2019-9824
- https://bugzilla.redhat.com/show_bug.cgi?id=1678515
- https://access.redhat.com/errata/RHSA-2019:1650
- https://access.redhat.com/errata/RHSA-2019:2078
- https://access.redhat.com/errata/RHSA-2019:3345
- https://access.redhat.com/errata/RHSA-2019:2425
- https://access.redhat.com/errata/RHSA-2019:2553
- https://access.redhat.com/security/cve/cve-2019-9824
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg00400.html
- https://launchpad.net/bugs/cve/CVE-2019-9824
- https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg01871.html
- https://www.openwall.com/lists/oss-security/2019/03/18/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1689794
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://github.com/qemu/qemu/commit/d3222975c7d6cda9e25809dea05241188457b113
- https://github.com/rootless-containers/slirp4netns/security/advisories/GHSA-vp7q-v36g-7vq7
- https://security-tracker.debian.org/tracker/CVE-2019-9824
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9824
- https://nvd.nist.gov/vuln/detail/CVE-2019-9824
- https://ubuntu.com/security/CVE-2019-9824
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2019-9824.
What is the severity of CVE-2019-9824?
The severity of CVE-2019-9824 is low.
What is the affected software?
The affected software is QEMU.
How can I fix CVE-2019-9824?
To fix CVE-2019-9824, update QEMU to version 3.1+dfsg-2ubuntu4 or later.
Where can I find more information about CVE-2019-9824?
You can find more information about CVE-2019-9824 at the following references: https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg01871.html, https://www.openwall.com/lists/oss-security/2019/03/18/1, https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1689794.
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