CVE-2016-4070

UnknownEPSS 5.72%

Last modified

CVE-2016-4070 is a vulnerability of currently unknown severity. Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).. EPSS estimates a 5.72% chance of exploitation in the next 30 days.

Description

Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).

Metrics

EPSS Probability
5.72%

92.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PhpPhp<= 5.5.33
PhpPhp5.6.0Alpha1
PhpPhp5.6.1
PhpPhp5.6.2
PhpPhp5.6.3
PhpPhp5.6.4
PhpPhp5.6.5
PhpPhp5.6.6
PhpPhp5.6.7
PhpPhp5.6.8
PhpPhp5.6.9
PhpPhp5.6.10
PhpPhp5.6.11
PhpPhp5.6.12
PhpPhp5.6.13
PhpPhp5.6.14
PhpPhp5.6.15
PhpPhp5.6.16
PhpPhp5.6.17
PhpPhp5.6.18
PhpPhp5.6.19
PhpPhp7.0.0
PhpPhp7.0.1
PhpPhp7.0.2
PhpPhp7.0.3
PhpPhp7.0.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-4070?
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
How severe is CVE-2016-4070?
Severity scoring for CVE-2016-4070 is pending analysis. The EPSS model estimates a 5.72% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4070?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4070?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST