Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| The QEMU Project / qemu | affected >= 4.0.0, < 5.0.0 |
CWE
CWE-325
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10702
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de0b1bae6461f67243282555475f88b2384a1eb9
- https://security.netapp.com/advisory/ntap-20200724-0007/
ADP enrichment
No English description supplied.