Integer Overflow or Wraparound Affecting virt:rhel/sgabios package, versions <1:0.20170427git-2.module+el8.0.0+3075+09be6b65
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-RHEL8-VIRT-3426032
- published26 Jul 2021
- disclosed13 Mar 2019
Introduced: 13 Mar 2019
CVE-2019-3863 (opens in a new tab)How to fix?
Upgrade RHEL:8 virt:rhel/sgabios to version 1:0.20170427git-2.module+el8.0.0+3075+09be6b65 or higher.
This issue was patched in RHSA-2019:1175.
NVD Description
Note: Versions mentioned in the description apply only to the upstream virt:rhel/sgabios package and not the virt:rhel/sgabios package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.
References
- https://seclists.org/bugtraq/2019/Apr/25
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://access.redhat.com/security/cve/CVE-2019-3863
- https://www.debian.org/security/2019/dsa-4431
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://www.libssh2.org/CVE-2019-3863.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://access.redhat.com/errata/RHSA-2019:1175
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/