CVE-2019-3812: Buffer Overflow
First published: Tue Feb 19 2019(Updated: )
Last updated 24 July 2024
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.1.2+ds-1 | |
| QEMU | >=2.10.0<=3.1.0 | |
| Red Hat Fedora | =29 | |
| Red Hat Fedora | =30 | |
| Ubuntu | =18.04 | |
| Ubuntu | =18.10 | |
| SUSE Linux | =42.3 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html
- http://www.securityfocus.com/bid/107059
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3812
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
- https://seclists.org/bugtraq/2019/May/76
- https://usn.ubuntu.com/3923-1/
- https://www.debian.org/security/2019/dsa-4454
- https://launchpad.net/bugs/cve/CVE-2019-3812
- https://git.qemu.org/?p=qemu.git;a=commit;h=b05b267840515730dbf6753495d5b7bd8b04ad1c
- https://git.qemu.org/?p=qemu.git;a=commit;h=78c71af8049c40657b646d9dd722867fa15c0f1b
- https://security-tracker.debian.org/tracker/CVE-2019-3812
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3812
- https://nvd.nist.gov/vuln/detail/CVE-2019-3812
- https://ubuntu.com/security/CVE-2019-3812
Frequently Asked Questions
What is the severity of CVE-2019-3812?
CVE-2019-3812 has been classified with a medium severity level due to the potential for local attackers to exploit vulnerabilities in QEMU.
How do I fix CVE-2019-3812?
To fix CVE-2019-3812, update QEMU to a version later than 3.1.0 or apply the corresponding patches provided by your Linux distribution.
Who is affected by CVE-2019-3812?
CVE-2019-3812 affects QEMU versions from 2.10 to 3.1.0 across several Linux distributions including Debian, Fedora, and Ubuntu.
What can an attacker achieve by exploiting CVE-2019-3812?
Exploiting CVE-2019-3812 allows a local attacker with permission to execute i2c commands to read up to 128 bytes of stack memory from the QEMU process.
Which specific software versions are vulnerable to CVE-2019-3812?
The vulnerable versions include QEMU 2.10 up to 3.1.0 across various distributions, as well as certain packaged versions from Debian and other Linux systems.
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