SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-0379

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.

HIGH 7.5EPSS 3.51%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
3.51% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
gnupg/libgcrypt · debian/debian linux
Source
security@debian.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.