CVE-2020-10702
Medium
Description
A flaw was found in QEMU in the implementation of the Pointer Authentication (PAuth) support for ARM introduced in version 4.0 and fixed in version 5.0.0. A general failure of the signature generation process caused every PAuth-enforced pointer to be signed with the same signature. A local attacker could obtain the signature of a protected pointer and abuse this flaw to bypass PAuth protection for all programs running on QEMU.
SeverityMedium
CVSS5.5
Exploit probability—
ProductQemu
PublishedJun 4, 2020
First seenJun 4, 2020
Weakness typeCWE-325CWE-325
How to fix
Update
- qemu qemu5.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | 4.0.0 ≤ v < 5.0.0 | 5.0.0 |
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