REDHAT-BUG-1582574
First published: Fri May 25 2018(Updated: )
A cache-based side channel in GnuTLS implementation that leads to plaintext recovery in cross-VM attack setting was found. The attack exploits a novel "Just in Time" PRIME + PROBE attack in combination with a new variant of the original Lucky 13 attack.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Traffix Systems Signaling Delivery Controller |
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Reference Links
- https://eprint.iacr.org/2018/747
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1619522
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1619524
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1619525
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1619523
- https://gitlab.com/gnutls/gnutls/merge_requests/657
- https://access.redhat.com/errata/RHSA-2018:3050
- https://bugzilla.redhat.com/show_bug.cgi?id=1582574
Frequently Asked Questions
What is the severity of REDHAT-BUG-1582574?
The severity of REDHAT-BUG-1582574 is high due to its potential for plaintext recovery in cross-VM attack scenarios.
How do I fix REDHAT-BUG-1582574?
To fix REDHAT-BUG-1582574, upgrade your GnuTLS implementation to the latest version that addresses this vulnerability.
What systems are affected by REDHAT-BUG-1582574?
REDHAT-BUG-1582574 affects systems using vulnerable versions of GnuTLS.
What type of attack does REDHAT-BUG-1582574 involve?
REDHAT-BUG-1582574 involves a cache-based side channel attack combining the Just in Time PRIME + PROBE technique with a variant of the Lucky 13 attack.
Is there a workaround for REDHAT-BUG-1582574?
A reliable workaround for REDHAT-BUG-1582574 is not recommended; upgrading to a patched software version is advised.
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