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ALPINE-CVE-2018-0732 PUBLISHED CVSS 7.5 HIGH

During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.7openssl1.0.2f-r1, 1.0.2o-r0, 1.0.2n-r0
Alpine:v3.7libressl2.4.3-r2, 2.5.5-r0, 2.5.4-r0
Alpine:v3.3openssl1.0.0g-r0, 0, 0.9.8i-r0
Alpine:v3.4openssl1.0.2h-r4, 1.0.2h-r3, 1.0.2h-r2
Alpine:v3.6openssl1.0.2f-r2, 0, 0.9.8i-r0
Alpine:v3.8libressl0, 2.1.4-r0, 2.2.0-r0
Alpine:v3.12libressl0, 2.1.4-r0, 2.2.0-r0
Alpine:v3.5openssl1.0.1g-r2, 1.0.1g-r3, 1.0.1h-r0
Alpine:v3.9libressl0, 2.7.3-r1, 2.7.3-r0
Alpine:v3.10libressl2.1.4-r0, 0, 2.7.3-r1
Alpine:v3.11libressl2.7.3-r0, 2.6.4-r0, 2.6.3-r0
Alpine:v3.13libressl2.4.5-r0, 2.7.3-r1, 2.7.3-r0
Alpine:v3.8openssl1.0.1e-r2, 1.0.1e-r4, 1.0.1e-r5

Timeline

References

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