Is CVE-2019-13629 in the CISA KEV catalog?

No. CVE-2019-13629 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-13629?

CVE-2019-13629 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2019-13629?

CVE-2019-13629 has an EPSS score of 1.24% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2019-13629?

No published fix for CVE-2019-13629 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2019-13629

MEDIUM

5.9

CVSS v3

NVD

Description

MatrixSSL 4.2.1 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or a remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because crypto/pubkey/ecc_math.c scalar multiplication leaks the bit length of the scalar.

CWE-203 CWE-327

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.24%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Third-Party Advisory1

openwall.com

Product1

minerva.crocs.fi.muni.cz

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.