CVE-2020-7064

MEDIUMCVSS 5.4/10EPSS 4.29%

Last modified

CVE-2020-7064 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.. EPSS estimates a 4.29% chance of exploitation in the next 30 days.

Description

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
4.29%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhpPhp>= 7.2.0, < 7.2.29
PhpPhp>= 7.3.0, < 7.3.16
PhpPhp>= 7.4.0, < 7.4.4
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux19.10
CanonicalUbuntu Linux20.04
OpensuseLeap15.1
TenableTenable.Sc< 5.19.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-7064?
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
How severe is CVE-2020-7064?
CVE-2020-7064 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 4.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7064?
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-2020-7064?

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

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Source: NVD / NIST