Buffer overflow in Xen - CVE-2015-3209

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Main Vulnerability Database Vulnerabilities #VU32415

Buffer overflow in Xen - CVE-2015-3209

Published: June 15, 2015 / Updated: July 28, 2020


Vulnerability identifier: #VU32415
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-3209
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.


Affected software

Xen
Gentoo Linux
Fedora
SUSE Linux
xen (Alpine package)
qemu
app-emulation/qemu
xen

How to mitigate CVE-2015-3209

Install update from vendor's website.

xen (Alpine package) - update to 4.4.2-r3
qemu - addressed in versions 2.0.0-1.el7.6, 2.1.3-9.fc21, 2.3.0-7.fc22, 2.3.1-1.fc22, 2.4.0-0.2.rc4.fc23, 2.4.0-1.fc23
app-emulation/qemu - update to 2.3.0-r4
xen - addressed in versions 4.4.2-6.fc21, 4.5.0-11.fc22

External References

Related Security Bulletins