An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the 'bootp_t' structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
References
Link | Resource |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1970484 | Issue Tracking Patch Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/ | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/ | Mailing List Third Party Advisory |
https://security.gentoo.org/glsa/202107-44 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20210805-0004/ | Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/09/msg00004.html | Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html |
Configurations
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Information
Published : 2021-06-15 14:15
Updated : 2023-03-14 17:15
NVD link : CVE-2021-3592
Mitre link : CVE-2021-3592
JSON object : View
CWE
CWE-824
Access of Uninitialized Pointer
Products Affected
debian
- debian_linux
fedoraproject
- fedora
redhat
- enterprise_linux
libslirp_project
- libslirp