CVE-2018-12178

CRITICALEPSS 81th pctl

9.1

CVSS v3

Description

Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.

CWE-119Buffer Overflow

How to fix

Remediation Available

edk2Debian

Fixed in:0~20181115.85588389-3CVE-2018-12178

edk2Ubuntu

Fixed in:0~20160408.ffea0a2c-2ubuntu0.1USN-4349-1

Fixed in:0~20180205.c0d9813c-2ubuntu0.2USN-4349-1

ovmfUbuntu

Fixed in:0~20160408.ffea0a2c-2ubuntu0.1USN-4349-1

Fixed in:0~20180205.c0d9813c-2ubuntu0.2USN-4349-1

qemu-efiUbuntu

Fixed in:0~20160408.ffea0a2c-2ubuntu0.1USN-4349-1

qemu-efi-aarch64Ubuntu

Fixed in:0~20180205.c0d9813c-2ubuntu0.2USN-4349-1

qemu-efi-armUbuntu

Fixed in:0~20180205.c0d9813c-2ubuntu0.2USN-4349-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

2.27%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

edk2-docs.gitbooks.io

Other references4

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

Common questions

How do I fix CVE-2018-12178?

Published advisories record a fix for 6 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-12178 being actively exploited?

Not that we know of. CVE-2018-12178 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 81% of all scored CVEs.

How severe is CVE-2018-12178?

CVE-2018-12178 has a CVSS v3 base score of 9.1, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-12178 affect?

Published advisories record a fix for edk2 (Debian), edk2 (Ubuntu), ovmf (Ubuntu), qemu-efi (Ubuntu), and 2 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.