CVE-2019-15651: wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for…

PriorityP434critical9.8CVSS 3.0

AVNACLPRNUINSUCHIHAH

EPSS

1.01%

59.3th percentile

wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	wolfssl	< wolfssl 4.1.0+dfsg-2 (bookworm)	wolfssl 4.1.0+dfsg-2 (bookworm)
wolfssl	wolfssl	—	—
wolfssl	wolfssl	>= 0 < 4.1.0+dfsg-2	4.1.0+dfsg-2
wolfssl	wolfssl	>= 0 < 4.1.0+dfsg-2	4.1.0+dfsg-2
wolfssl	wolfssl	>= 0 < 4.1.0+dfsg-2	4.1.0+dfsg-2
wolfssl	wolfssl	>= 0 < 4.1.0+dfsg-2	4.1.0+dfsg-2

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8CRITICAL

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