3.8

CVE-2021-3592

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.

Data is provided by the National Vulnerability Database (NVD)
Libslirp Project ≫ Libslirp Version < 4.6.0
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version8.0 SwEditionadvanced_virtualization
Debian ≫ Debian Linux Version9.0
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.02% 0.032
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 3.8 2 1.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:P/I:N/A:N
CWE-824 Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

https://bugzilla.redhat.com/show_bug.cgi?id=1970484
Patch
Third Party Advisory
Issue Tracking