CVE-2021-3592

Name
CVE-2021-3592
Description
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.
NVD Severity
low
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1970484
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/
Third Party Advisory https://security.gentoo.org/glsa/202107-44
Third Party Advisory https://security.netapp.com/advisory/ntap-20210805-0004/
Mailing List https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/09/msg00004.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:* libslirp >= None < 4.6.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status