Vulnerability CVE-2020-25085
Published: 2020-09-25

Description:
QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.

Type:

CWE-787

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
QEMU -> QEMU 

 References:
http://www.openwall.com/lists/oss-security/2020/09/16/6
https://bugs.launchpad.net/qemu/+bug/1892960
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
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