Heap-based Buffer Overflow Affecting virt-viewer package, versions <0:5.0-15.el7
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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- published10 Apr 2022
- disclosed11 Sept 2018
Introduced: 11 Sep 2018
CVE-2018-10893 (opens in a new tab)How to fix?
Upgrade Oracle:7 virt-viewer to version 0:5.0-15.el7 or higher.
This issue was patched in ELSA-2019-2229.
NVD Description
Note: Versions mentioned in the description apply only to the upstream virt-viewer package and not the virt-viewer package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A malicious server could cause the client to crash or, potentially, execute arbitrary code.
References
- https://linux.oracle.com/cve/CVE-2018-10893.html
- https://linux.oracle.com/errata/ELSA-2019-2229.html
- https://linux.oracle.com/errata/ELSA-2020-0471.html
- https://access.redhat.com/security/cve/CVE-2018-10893
- https://bugzilla.redhat.com/show_bug.cgi?id=1598234
- https://access.redhat.com/errata/RHSA-2019:2229
- https://access.redhat.com/errata/RHSA-2020:0471
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10893
- https://lists.freedesktop.org/archives/spice-devel/2018-July/044489.html