CVE-2019-11040

CRITICALCVSS 9.1/10EPSS 3.96%

Last modified

CVE-2019-11040 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 it is possible to supply it with data what will cause it to read past the allocated buffer. EPSS estimates a 3.96% chance of exploitation in the next 30 days.

Description

When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
3.96%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhpPhp>= 7.1.0, < 7.1.30
PhpPhp>= 7.2.0, < 7.2.19
PhpPhp>= 7.3.0, < 7.3.6
RedhatSoftware Collections1.0
OpensuseLeap15.0
OpensuseLeap15.1
DebianDebian Linux9.0
DebianDebian Linux10.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-11040?
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
How severe is CVE-2019-11040?
CVE-2019-11040 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 3.96% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11040?
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-2019-11040?

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

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Source: NVD / NIST