CVE-2018-0498: arm mbed_tls
CVSS: 4.7v3.0MediumModified
AliasesALPINE-CVE-2018-0498UBUNTU-CVE-2018-0498DEBIAN-CVE-2018-0498
Published 28-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-0498 is a medium (CVSS 4.7) vulnerability in arm mbed_tls. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.0 (NVD)EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 28-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 4.7Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Low 1.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 19-09-2026
19-09-202619-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian2 products
- mbedtls< 2.12.0-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- mbedtls< 2.12.0-r0
Arm1 product
- mbed_tls< 2.1.14 | ≥ 2.2.0, < 2.7.5 | ≥ 2.8.0, < 2.12.0
Ubuntu1 product
- mbedtls< 2.2.1-2ubuntu0.3 | All versions (No fix recorded)
4 vendors · 5 products
References
9 links- lists.debian.org/debian-lts-announce/2018/09/msg00029.htmlMailing ListX Refsource MLISTThird Party Advisory
- tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02X Refsource CONFIRMMitigationThird Party AdvisoryREPORT