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CVE-2020-13845

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Date: July 14, 2020

Sylabs Singularity 3.0 through 3.5 has Improper Validation of an Integrity Check Value. Image integrity is not validated when an ECL policy is enforced. The fingerprint required by the ECL is compared against the signature object descriptor(s) in the SIF file, rather than to a cryptographically validated signature.

Language: Go

Severity Score

Related Resources (9)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13845
https://security-tracker.debian.org/tracker/CVE-2020-13845
https://nvd.nist.gov/vuln/detail/CVE-2020-13845
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5c
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.html
https://medium.com/sylabs
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
https://www.mend.io/vulnerability-database/CVE-2020-13845

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Improper Validation of Integrity Check Value

CWE-354

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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