Integer Overflow Vulnerability in ARM mbed TLS Affects Secure Communication
CVE-2017-18187

9.8CRITICAL

Key Information:

Vendor

Arm
Status
Mbed Tls
Vendor
CVE Published:
14 February 2018

What is CVE-2017-18187?

In prior versions of ARM mbed TLS (specifically before 2.7.0), a vulnerability exists due to an integer overflow occurring in the PSK identity parsing within the ssl_parse_client_psk_identity() function located in library/ssl_srv.c. This issue could potentially allow attackers to bypass certain security checks and exploit vulnerabilities in secure communication protocols, compromising data integrity and confidentiality.

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References

https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7...
x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4147
vendor-advisoryx_refsource_DEBIAN
https://www.debian.org/security/2018/dsa-4138
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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