CVE-2019-15699: An issue was discovered in app-layer-ssl.c in Suricata 4.1.4. Upon receiving a corrupted SSLv3 (TLS 1.2) packet, the parser function TLSDecodeHSHelloExtensions…

PriorityP342critical9.1CVSS 3.1

AVNACLPRNUINSUCHINAH

EPSS

1.65%

73.5th percentile

An issue was discovered in app-layer-ssl.c in Suricata 4.1.4. Upon receiving a corrupted SSLv3 (TLS 1.2) packet, the parser function TLSDecodeHSHelloExtensions tries to access a memory region that is not allocated, because the expected length of HSHelloExtensions does not match the real length of the HSHelloExtensions part of the packet.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:4.1.5-1 (bookworm)	suricata 1:4.1.5-1 (bookworm)
oisf	suricata	>= 0 < 1:4.1.5-1	1:4.1.5-1
oisf	suricata	>= 0 < 1:4.1.5-1	1:4.1.5-1
oisf	suricata	>= 0 < 1:4.1.5-1	1:4.1.5-1
oisf	suricata	>= 0 < 1:4.1.5-1	1:4.1.5-1
suricata-ids	suricata	—	—

CVSS provenance

nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P

osv9.1CRITICAL

vendor_debian9.1LOW

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