Out-of-Bounds Affecting qemu-guest-agent package, versions <10:3.1.0-7.amzn2.0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2-QEMUGUESTAGENT-1671380
- published27 Sept 2021
- disclosed31 May 2019
Introduced: 31 May 2019
CVE-2018-20815 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 qemu-guest-agent to version 10:3.1.0-7.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1248.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent package and not the qemu-guest-agent package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.
References
- https://seclists.org/bugtraq/2019/Aug/41
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20815
- https://www.debian.org/security/2019/dsa-4506
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=da885fe1ee8b4589047484bd7fa05a4905b52b17
- https://access.redhat.com/errata/RHSA-2019:1667
- https://access.redhat.com/errata/RHSA-2019:1723
- https://access.redhat.com/errata/RHSA-2019:1743
- https://access.redhat.com/errata/RHSA-2019:1881
- https://access.redhat.com/errata/RHSA-2019:1968
- https://access.redhat.com/errata/RHSA-2019:2507
- https://access.redhat.com/errata/RHSA-2019:2553
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/