rustls Crate up to 0.15.x on Rust tlsserver.rs conn_event argument injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in rustls Crate up to 0.15.x on Rust (Rust Package). This issue affects the function conn_event of the file rustls-mio/examples/tlsserver.rs. The manipulation with an unknown input leads to a argument injection vulnerability. Using CWE to declare the problem leads to CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. Impacted is availability. The summary by CVE is:

rustls-mio/examples/tlsserver.rs in the rustls crate before 0.16.0 for Rust allows attackers to cause a denial of service (loop of conn_event and ready) by arranging for a client to never be writable.

The weakness was disclosed 08/26/2019. The identification of this vulnerability is CVE-2019-15541 since 08/25/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 0.16.0 eliminates this vulnerability.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Argument injection
CWE: CWE-88 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: rustls Crate 0.16.0
Patch: github.com

Timelineinfo

08/25/2019 🔍
08/26/2019 +1 days 🔍
08/27/2019 +1 days 🔍
12/04/2023 +1560 days 🔍

Sourcesinfo

Advisory: a93ee1abd2ab19ebe4bf9d684d56637ee54a6074
Status: Not defined

CVE: CVE-2019-15541 (🔍)

Entryinfo

Created: 08/27/2019 08:34 AM
Updated: 12/04/2023 09:31 AM
Changes: 08/27/2019 08:34 AM (38), 08/06/2020 11:10 AM (18), 12/04/2023 09:31 AM (6)
Complete: 🔍
Cache ID: 34:390:40

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