| Package | Affected versions | Patched versions |
|---|---|---|
| openssl | = 1.0.0= 1.0.0a= 1.0.0b= 1.0.0c= 1.0.0d= 1.0.0e= 1.0.0f= 1.0.0g= 1.0.0h= 1.0.0i= 1.0.0j= 1.0.0k= 1.0.0l= 1.0.0m= 1.0.0n= 1.0.0o= 1.0.0p= 1.0.0q= 1.0.0r= 1.0.1= 1.0.1a= 1.0.1b= 1.0.1c= 1.0.1d= 1.0.1e= 1.0.1f= 1.0.1g= 1.0.1h= 1.0.1i= 1.0.1j= 1.0.1k= 1.0.1l= 1.0.1m= 1.0.2= 1.0.2a≤ 0.9.8zf |
The BN_GF2m_mod_inv function in crypto/bn/bn_gf2m.c in OpenSSL before 0.9.8s, 1.0.0 before 1.0.0e, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b does not properly handle ECParameters structures in which the curve is over a malformed binary polynomial field, which allows remote attackers to cause a denial of service (infinite loop) via a session that uses an Elliptic Curve algorithm, as demonstrated by an attack against a server that supports client authentication.
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