CVE-2020-11102 — Out-of-bounds Write in Qemu

CWE-787 — Out-of-bounds WriteCWE-125 — Out-of-bounds Read8 documents7 sources
Severity
5.6MEDIUMNVD
EPSS
0.4%
top 39.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
QemuDebian QemuMsrc CBL Mariner 1.0 ARM+2 more
Timeline
PublishedApr 6
Latest updateMay 24

Description

hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:LExploitability: 2.2 | Impact: 3.4

Affected Packages6 packages

▶debiandebian/qemu< qemu 1:4.2-4 (bookworm)
▶Debianqemu/qemu< 1:4.2-4+3
▶NVDqemu/qemu4.2.0

🔴Vulnerability Details

2
GHSA
GHSA-c632-pw4c-82pg: hw/net/tulip↗2022-05-24
▶
OSV
CVE-2020-11102: hw/net/tulip↗2020-04-06
▶

📋Vendor Advisories

3
Microsoft
hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.↗2020-04-14
▶
Red Hat
QEMU: tulip: OOB access in tulip_copy_tx_buffers↗2020-02-11
▶
Debian
CVE-2020-11102: qemu - hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx b...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-11102 qemu: tulip: OOB access in tulip_copy_tx_buffers [fedora-rawhide]↗2020-04-07
▶
Bugzilla
CVE-2020-11102 QEMU: tulip: OOB access in tulip_copy_tx_buffers↗2020-04-06
▶