CVE-2018-12436: wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem…

PriorityP419medium4.7CVSS 3.0

AVLACHPRLUINSUCHINAN

EPSS

0.37%

29.7th percentile

wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	wolfssl	< wolfssl 3.15.3+dfsg-1 (bookworm)	wolfssl 3.15.3+dfsg-1 (bookworm)
wolfssl	wolfssl	< 3.15.3	3.15.3
wolfssl	wolfssl	>= 0 < 3.15.3+dfsg-1	3.15.3+dfsg-1
wolfssl	wolfssl	>= 0 < 3.15.3+dfsg-1	3.15.3+dfsg-1
wolfssl	wolfssl	>= 0 < 3.15.3+dfsg-1	3.15.3+dfsg-1
wolfssl	wolfssl	>= 0 < 3.15.3+dfsg-1	3.15.3+dfsg-1

CVSS provenance

nvdv3.04.7MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

nvdv2.01.9LOWAV:L/AC:M/Au:N/C:P/I:N/A:N

osv4.7MEDIUM

vendor_debian4.7MEDIUM

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