Buffer overflow in Qemu
CVE-2015-7504
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Qemu — versions 2.5.0
- Xen
- Debian Debian_linux — versions 7.0, 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, Patch, VDB Entry, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2015-7504?
- CVE-2015-7504 is a high-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2017-10-16.
- How severe is CVE-2015-7504?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2015-7504 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.