CVE-2015-7512
Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 08 Jan 2016, 21:00
Last modified:06 Aug 2024, 07:51
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9 CRITICAL
v3.1 (nvd)
EPSS Score
21.06% HIGH
21% probability -0.43%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
08 Jan 2016, 21:00
Published
Vulnerability first disclosed
06 Aug 2024, 07:51
Last Modified
Vulnerability information updated
Description
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.
CVSS Metrics
- v3.1•CRITICAL•Score: 9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 21.06%• Percentile: 96%
Techniques & Countermeasures
- CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected Systems
- debian•debian_linux
7.0 | 8.0
- oracle•linux
6
- qemu•qemu
≤ 2.4.1 | 2.5.0:rc0 | 2.5.0:rc1 | 2.5.0:rc2
- redhat•enterprise_linux_desktop
6.0
- redhat•enterprise_linux_eus
6.7
- redhat•enterprise_linux_server
6.0
- redhat•enterprise_linux_workstation
6.0
- redhat•openstack
5.0
- redhat•virtualization
3.0
References (12)
- http://rhn.redhat.com/errata/RHSA-2015-2694.html
- http://www.openwall.com/lists/oss-security/2015/11/30/3
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- http://www.securityfocus.com/bid/78230
- http://www.securitytracker.com/id/1034527
- http://www.debian.org/security/2016/dsa-3471
- https://security.gentoo.org/glsa/201602-01
- http://rhn.redhat.com/errata/RHSA-2015-2696.html
- http://rhn.redhat.com/errata/RHSA-2015-2695.html