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Debian 9 Stretch DLA-2812-1 Critical Botan1.10 Cache Attack

debian lts
Calendar Grey November 8, 2021
Dist Debian Esm H88
An internal or remote adversary could leverage the cache leak vulnerability in botan1.10 to extract confidential values. Immediate upgrade suggested.
One security issue has been discovered in botan1.10: a C++ cryptography library
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Topics Covered

security advisory critical debian cache attack botan1.10

Summary


An attacker of a local or a cross-VM may be able to recover bits of
secret exponents as used in RSA, DH, etc. with help of cache analysis.
https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai

For Debian 9 stretch, this problem has been fixed in version
1.10.17-1+deb9u1.

We recommend that you upgrade your botan1.10 packages.

For the detailed security status of botan1.10 please refer to
its security tracker page at:

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: botan1.10
Version: 1.10.17-1+deb9u1
CVE ID: CVE-2017-14737

Topics%20covered

Topics Covered

security advisory critical debian cache attack botan1.10

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