Vulnerability Details : CVE-2020-11102
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-11102
- cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11102
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11102
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
5.6
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
2.2
|
3.4
|
NIST |
CWE ids for CVE-2020-11102
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11102
-
http://www.openwall.com/lists/oss-security/2020/04/06/1
oss-security - CVE-2020-11102 QEMU: tulip: OOB access in tulip_copy_tx_buffersMailing List;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html
[PULL 12/13] net: tulip: check frame size and r/w data lengthMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202005-02
QEMU: Multiple vulnerabilities (GLSA 202005-02) — Gentoo security
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