CVE-2020-7068
Use of freed hash key in the phar_parse_zipfile function
LOW
3.6
CVSS Score
Published: September 9, 2020 at 05:58 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
3 products affected across 3 vendorsDebian LinuxPHPTenable.Sc
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Severity
LOW3.6
Exploit prediction
EPSS 2%
Description
In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%7.2.0 ≤ v < 7.2.337.2.x ≤ v < 7.2.337.3.0 ≤ v < 7.3.217.3.x ≤ v < 7.3.217.4.0 ≤ v < 7.4.97.4.x ≤ v < 7.4.97.2.x7.3.x7.4.x
Affected range stops below 7.2.33, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.9, so it looks safe — our inference, not a vendor statement
Tenable.Sc· Tenabledrupal
95%v < 5.19.0
Affected range stops below 5.19.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_MISCExploitMailing ListPatchVendor Advisory
Source: [email protected]
https://bugs.php.net/bug.php?id=79797Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202009-10x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200918-0005/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4856x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/tns-2021-14CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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