CVE-2015-2787

UnknownEPSS 11.98%

Last modified

CVE-2015-2787 is a vulnerability of currently unknown severity. Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.. EPSS estimates a 11.98% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

Metrics

EPSS Probability
11.98%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
PhpPhp<= 5.4.38
PhpPhp5.5.0
PhpPhp5.5.1
PhpPhp5.5.2
PhpPhp5.5.3
PhpPhp5.5.4
PhpPhp5.5.5
PhpPhp5.5.6
PhpPhp5.5.7
PhpPhp5.5.8
PhpPhp5.5.9
PhpPhp5.5.10
PhpPhp5.5.11
PhpPhp5.5.12
PhpPhp5.5.13
PhpPhp5.5.14
PhpPhp5.5.15
PhpPhp5.5.16
PhpPhp5.5.17
PhpPhp5.5.18
PhpPhp5.5.19
PhpPhp5.5.20
PhpPhp5.5.21
PhpPhp5.5.22
PhpPhp5.6.0Alpha1
PhpPhp5.6.1
PhpPhp5.6.2
PhpPhp5.6.3
PhpPhp5.6.4
PhpPhp5.6.5
PhpPhp5.6.6
AppleMac Os X<= 10.6.8
AppleMac Os X10.9.5
AppleMac Os X10.10.0
AppleMac Os X10.10.1
AppleMac Os X10.10.2
AppleMac Os X10.10.3
AppleMac Os X10.10.4
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Hpc Node7.0
RedhatEnterprise Linux Hpc Node Eus7.1
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Eus7.1
RedhatEnterprise Linux Workstation7.0
OpensuseOpensuse13.1
OpensuseOpensuse13.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-2787?
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.
How severe is CVE-2015-2787?
Severity scoring for CVE-2015-2787 is pending analysis. The EPSS model estimates a 11.98% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2787?
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-2015-2787?

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

Scan your code now

Source: NVD / NIST