Integer overflow in Qemu
CVE-2018-17958
Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.
Vulnerability class: Integer Overflow
EPSS: 0.009 (75.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 8.0, 9.0
- Redhat Enterprise_linux — versions 7.0
- Redhat Virtualization — versions 4.0
- Redhat Virtualization_manager — versions 4.3
- N/a — versions n/a
Weakness classification (CWE)
References
- [oss-security] 20181008 Qemu: integer overflow issues (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- [qemu-devel] 20180926 [PULL 22/25] rtl8139: fix possible out of bound access (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- 105556 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- [debian-lts-announce] 20190129 [SECURITY] [DLA 1646-1] qemu security update (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- USN-3826-1 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- DSA-4454 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- 20190531 [SECURITY] [DSA 4454-1] qemu security update (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- RHSA-2019:2425 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- RHSA-2019:2553 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-17958?
- CVE-2018-17958 is a high-severity vulnerability in Qemu, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-10-09.
- How severe is CVE-2018-17958?
- High severity. CVSS v3 base score is 7.5 out of 10.