Vulnerability Details : CVE-2018-0487
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2018-0487
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-0487
6.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-0487
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-0487
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-0487
-
https://www.debian.org/security/2018/dsa-4147
Debian -- Security Information -- DSA-4147-1 polarsslThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4138
Debian -- Security Information -- DSA-4138-1 mbedtlsThird Party Advisory
-
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
mbed TLS Security Advisory 2018-01 - Tech UpdatesMitigation;Vendor Advisory
-
http://www.securityfocus.com/bid/103056
ARM mbed TLS CVE-2018-0487 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
-
https://usn.ubuntu.com/4267-1/
USN-4267-1: ARM mbed TLS vulnerabilities | Ubuntu security notices
-
https://security.gentoo.org/glsa/201804-19
mbed TLS: Multiple vulnerabilites (GLSA 201804-19) — Gentoo securityThird Party Advisory
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