CVE-2015-8743 — Out-of-bounds Read in Qemu

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write10 documents7 sources
Severity
7.1HIGHNVD
OSV6.0
EPSS
0.1%
top 80.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedDec 29
Latest updateMay 13

Description

QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO) user/process could use this flaw to leak or corrupt QEMU memory bytes.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 1.8 | Impact: 5.2

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.5+dfsg-2 (bookworm)
▶Debianqemu/qemu< 1:2.5+dfsg-2+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.22
▶NVDqemu/qemu2.5.1

Also affects: Debian Linux 7.0, 8.0

Patches

Patch: lists.gnu.org ↗Patch: lists.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-3r2v-v8vm-3g58: QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue↗2022-05-13
▶
OSV
CVE-2015-8743: QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue↗2016-12-29
▶
OSV
qemu, qemu-kvm vulnerabilities↗2016-02-03
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2016-02-03
▶
Red Hat
Qemu: net: ne2000: OOB memory access in ioport r/w functions↗2015-12-30
▶
Debian
CVE-2015-8743: qemu - QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vuln...↗2015
▶

💬Community

3
Bugzilla
CVE-2015-8743 xen: Qemu: net: ne2000: OOB memory access in ioport r/w functions [fedora-all]↗2015-12-30
▶
Bugzilla
CVE-2015-8743 Qemu: net: ne2000: OOB memory access in ioport r/w functions [fedora-all]↗2015-12-30
▶
Bugzilla
CVE-2015-8743 Qemu: net: ne2000: OOB memory access in ioport r/w functions↗2015-09-21
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