Suricata 4.1.4 SSLv3 app-layer-ssl.c TLSDecodeHSHelloExtensions out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Suricata 4.1.4. This affects the function TLSDecodeHSHelloExtensions of the file app-layer-ssl.c of the component SSLv3 Handler. Such manipulation of the argument HSHelloExtensions as part of Packet leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2019-15699. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Suricata 4.1.4. It has been rated as critical. Affected by this issue is the function TLSDecodeHSHelloExtensions of the file app-layer-ssl.c of the component SSLv3 Handler. The manipulation of the argument HSHelloExtensions as part of a Packet leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 09/24/2019. This vulnerability is handled as CVE-2019-15699 since 08/27/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-142174 and VDB-142173 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/27/2019 🔍
09/24/2019 +28 days 🔍
09/25/2019 +1 days 🔍
12/27/2023 +1554 days 🔍

Sourcesinfo

Advisory: lists.openinfosecfoundation.org
Status: Not defined

CVE: CVE-2019-15699 (🔍)
GCVE (CVE): GCVE-0-2019-15699
GCVE (VulDB): GCVE-100-142172
See also: 🔍

Entryinfo

Created: 09/25/2019 07:24
Updated: 12/27/2023 15:21
Changes: 09/25/2019 07:24 (39), 09/06/2020 15:48 (17), 12/27/2023 15:21 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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