CVE & CISA-KEV Catalog

CVE-2019-9675

HIGHEPSS 92th pctl
8.1
CVSS v3
NVD

Description

An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.

CWE-119Buffer Overflow

How to fix

Remediation Available
libapache2-mod-php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2
php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2
php5-cgiUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2
php5-cliUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2
php5-fpmUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2
php5-xmlrpcUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29USN-3922-2

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 ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

6.02%probability of exploitation in 30 days
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2023-4966Critical9.4100%KEV + RansomFix
CVE-2017-11882High7.8100%KEV + Ransom-
CVE-2020-0796Critical10.0100%KEV + Ransom-
CVE-2008-4250Critical9.899%KEV-
CVE-2017-15944Critical9.898%KEVFix
CVE-2015-0014High10.097%--
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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.