CVE-2016-5773

UnknownEPSS 9.09%

Last modified

CVE-2016-5773 is a vulnerability of currently unknown severity. php_zip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data containing a ZipArchive object.. EPSS estimates a 9.09% chance of exploitation in the next 30 days.

Description

php_zip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data containing a ZipArchive object.

Metrics

EPSS Probability
9.09%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PhpPhp<= 5.5.36
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
PhpPhp5.6.20
PhpPhp5.6.21
PhpPhp5.6.22
PhpPhp5.6.23
PhpPhp7.0.0
PhpPhp7.0.1
PhpPhp7.0.2
PhpPhp7.0.3
PhpPhp7.0.4
PhpPhp7.0.5
PhpPhp7.0.6
PhpPhp7.0.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5773?
php_zip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data containing a ZipArchive object.
How severe is CVE-2016-5773?
Severity scoring for CVE-2016-5773 is pending analysis. The EPSS model estimates a 9.09% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5773?
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-2016-5773?

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

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Source: NVD / NIST