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CVE-2019-15699

CRITICAL
9.1
CVSS Score
Published: September 24, 2019 at 07:20 PM UTC
Updated: June 17, 2026 at 02:20 AM UTC
1 product affected across 1 vendorSuricata

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Severity
CRITICAL9.1
Exploit prediction
EPSS 2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/

CVSS

9.1CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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