Is CVE-2018-1000079 in the CISA KEV catalog?

No. CVE-2018-1000079 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1000079?

CVE-2018-1000079 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-1000079?

CVE-2018-1000079 has an EPSS score of 2.88% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000079?

Upgrade jruby on debian 12 to 9.1.17.0-1 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1000079

MEDIUMEPSS 85th pctl

5.5

CVSS v3

NVD

Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

CWE-22Path Traversal

How to fix

Remediation Available

jrubyDebian

Fixed in:9.1.17.0-1CVE-2018-1000079

libruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

libruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.6USN-3621-1

libruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.7USN-3621-1

ruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

ruby1.9.3Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

ruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.6USN-3621-1

ruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.7USN-3621-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.88%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch2

Vendor Advisory1

blog.rubygems.org

Other references12

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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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.