9.8

CVE-2018-0488: arm mbed_tls Out-of-bounds Write

CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2018-0488UBUNTU-CVE-2018-0488DEBIAN-CVE-2018-0488
Published 13-02-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-0488 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in arm mbed_tls. EPSS estimates a 4.79% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
4.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5
DSA-4138-1DSA-4147-1MGASA-2018-0163OPENSUSE-SU-2018:0488-1OPENSUSE-SU-2018:0491-1OPENSUSE-SU-2024:11043-1

Timeline

  1. 13-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0, when the truncated HMAC extension and CBC are used, allows remote attackers to execute arbitrary code or cause a denial of service (heap corruption) via a crafted application packet within a TLS or DTLS session.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

4.79%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Alpine1 product
  • mbedtls< 2.7.0-r0
Arm1 product
  • mbed_tls≥ 1.3.0, < 1.3.22 | ≥ 2.1.0, < 2.1.10 | ≥ 2.2.0, < 2.7.0
Ubuntu1 product
  • mbedtls< 2.2.1-2ubuntu0.3

4 vendors · 5 products

References

11 links
Show all 11 references