Vulnerability CVE-2018-0487
Published: 2018-02-13

Description:
ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Debian -> Debian linux 
ARM -> Mbed tls 

 References:
http://www.securityfocus.com/bid/103056
https://security.gentoo.org/glsa/201804-19
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
https://www.debian.org/security/2018/dsa-4138
https://www.debian.org/security/2018/dsa-4147
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