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Fix potential DoS issue with p2c header #336

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Dec 26, 2023
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@simo5 simo5 commented Dec 26, 2023

Unbounded p2c headers may be used to cause an application that accept PBES algorithms to spend alot of resources running PBKDF2 with a very high number of iterations.

Clamp the default maximum to 16384 (double the default of 8192). An application that wants to use more iterations will have to chenge the jwa default max.

Fixes CVE-2023-6681

Unbounded p2c headers may be used to cause an application that accept
PBES algorithms to spend alot of resources running PBKDF2 with a very
high number of iterations.

Clamp the default maximum to 16384 (double the default of 8192).
An application that wants to use more iterations will have to chenge the
jwa default max.

Fixes CVE-2023-6681

Signed-off-by: Simo Sorce <simo@redhat.com>
@simo5 simo5 merged commit d2655d3 into latchset:main Dec 26, 2023
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