CVE-2018-0498
CVE-2018-0498 is a medium-severity vulnerability in Debian Debian Linux with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- CVSS v2: 1.9
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Debian Debian Linux
- Published:
- Last modified:
Description
ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.
Frequently asked questions
- What is CVE-2018-0498?
- ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.
- How severe is CVE-2018-0498?
- CVE-2018-0498 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-0498 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0498?
- CVE-2018-0498 primarily affects Debian Debian Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-0498?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-0498 published?
- CVE-2018-0498 was published on 2018-07-28 and last updated on 2026-06-17.
References
- https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4296
Affected products (3)
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
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