Access of Uninitialized Pointer Affecting qemu-img package, versions <15:4.2.0-59.module+el8.5.0+12817+cb650d43
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Test your applications- Snyk ID SNYK-CENTOS8-QEMUIMG-1969328
- published 26 Jul 2021
- disclosed 14 Jun 2021
Introduced: 14 Jun 2021
CVE-2021-3594 Open this link in a new tabHow to fix?
Upgrade Centos:8 qemu-img to version 15:4.2.0-59.module+el8.5.0+12817+cb650d43 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
References
- https://security.netapp.com/advisory/ntap-20210805-0004/
- https://access.redhat.com/security/cve/CVE-2021-3594
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/
- https://security.gentoo.org/glsa/202107-44
- https://bugzilla.redhat.com/show_bug.cgi?id=1970491
- https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html
- https://access.redhat.com/errata/RHSA-2021:4191
- https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/