CVE-2018-12183: extensible firmware interface development kit (edk ii) Out-of-bounds Write
CVSS: 6.8v3.0MediumModified
AliasesUBUNTU-CVE-2018-12183DEBIAN-CVE-2018-12183
Published 27-03-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-12183 is a medium (CVSS 6.8) Out-of-bounds Write vulnerability in extensible firmware interface development kit (edk ii). EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.7% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.0 (NVD)EPSS score
0.50%
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 2 · Related 1Timeline
- 27-03-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Stack overflow in DxeCore for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.50% on 19-09-2026
19-09-202619-10-2026
EPSS score0.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- edk2< 0~20181115.85588389-1
Extensible firmware interface development kit (edk ii)1 product
Tianocore1 product
- edk_iina
Ubuntu1 product
- edk2< 0~20180205.c0d9813c-2ubuntu0.3+esm1
4 vendors · 4 products
References
8 links- edk2-docs.gitbooks.io/security-advisory/content/unlimited-fv-recursion.htmlX Refsource CONFIRMPatchThird Party AdvisoryREPORT