Is CVE-2019-7307 in the CISA KEV catalog?

No. CVE-2019-7307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-7307?

CVE-2019-7307 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2019-7307?

CVE-2019-7307 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-7307?

Upgrade apport on ubuntu 14.04 to 2.14.1-0ubuntu3.29+esm1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-7307

HIGH

7.0

CVSS v3

NVD

Description

Apport before versions 2.14.1-0ubuntu3.29+esm1, 2.20.1-0ubuntu2.19, 2.20.9-0ubuntu7.7, 2.20.10-0ubuntu27.1, 2.20.11-0ubuntu5 contained a TOCTTOU vulnerability when reading the users ~/.apport-ignore.xml file, which allows a local attacker to replace this file with a symlink to any other file on the system and so cause Apport to include the contents of this other file in the resulting crash report. The crash report could then be read by that user either by causing it to be uploaded and reported to Launchpad, or by leveraging some other vulnerability to read the resulting crash report, and so allow the user to read arbitrary files on the system.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm1USN-4051-2

Fixed in:2.20.1-0ubuntu2.19USN-4051-1

Fixed in:2.20.9-0ubuntu7.7USN-4051-1

python-apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm1USN-4051-2

Fixed in:2.20.1-0ubuntu2.19USN-4051-1

Fixed in:2.20.9-0ubuntu7.7USN-4051-1

python3-apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm1USN-4051-2

Fixed in:2.20.1-0ubuntu2.19USN-4051-1

Fixed in:2.20.9-0ubuntu7.7USN-4051-1

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Exploit1

bugs.launchpad.net

Vendor Advisory1

people.canonical.com

Other references1

packetstormsecurity.com

Related Vulnerabilities

Other CWE-367 (TOCTOU Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-36980	High	8.1	83%	-	Fix
CVE-2024-30088	High	7.0	68%	KEV + Ransom	Fix
CVE-2004-0594	Medium	5.1	55%	-	Fix
CVE-2024-50379	Critical	9.8	44%	-	Fix
CVE-2023-38146	High	8.8	39%	-	Fix
CVE-2024-0132	Critical	9.0	37%	-	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.