What is CVE-2021-29499?

CVE-2021-29499 is a vulnerability in the Singularity Container Image Format (SIF) implementation of the `siftool new` command and the `siftool.New()` function that produces predictable UUID identifiers due to insecure randomness.

What is the severity of CVE-2021-29499?

The severity of CVE-2021-29499 is high, with a CVSSv3 score of 7.5.

Which software is affected by CVE-2021-29499?

The Sylabs Singularity Image Format (SIF) version up to and excluding 1.2.3 is affected by CVE-2021-29499.

How can I fix CVE-2021-29499?

To fix CVE-2021-29499, update to the patched version of SIF that includes the fix.

Where can I find more information about CVE-2021-29499?

You can find more information about CVE-2021-29499 at the following reference: [https://github.com/sylabs/sif/security/advisories/GHSA-4gh8-x3vv-phhg](https://github.com/sylabs/sif/security/advisories/GHSA-4gh8-x3vv-phhg)

Vulnerability/
CVE-2021-29499

high

7.5

CWE

330

7/5/2021

3/8/2024

CVE-2021-29499: Predictable SIF UUID Identifiers

First published: Fri May 07 2021(Updated: )

SIF is an open source implementation of the Singularity Container Image Format. The `siftool new` command and func siftool.New() produce predictable UUID identifiers due to insecure randomness in the version of the `github.com/satori/go.uuid` module used as a dependency. A patch is available in version >= v1.2.3 of the module. Users are encouraged to upgrade. As a workaround, users passing CreateInfo struct should ensure the `ID` field is generated using a version of `github.com/satori/go.uuid` that is not vulnerable to this issue.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Sylabs Singularity Image Format	<1.2.3

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Reference Links

https://github.com/sylabs/sif/security/advisories/GHSA-4gh8-x3vv-phhg

Frequently Asked Questions

What is CVE-2021-29499?
CVE-2021-29499 is a vulnerability in the Singularity Container Image Format (SIF) implementation of the `siftool new` command and the `siftool.New()` function that produces predictable UUID identifiers due to insecure randomness.
What is the severity of CVE-2021-29499?
The severity of CVE-2021-29499 is high, with a CVSSv3 score of 7.5.
Which software is affected by CVE-2021-29499?
The Sylabs Singularity Image Format (SIF) version up to and excluding 1.2.3 is affected by CVE-2021-29499.
How can I fix CVE-2021-29499?
To fix CVE-2021-29499, update to the patched version of SIF that includes the fix.
Where can I find more information about CVE-2021-29499?
You can find more information about CVE-2021-29499 at the following reference: [https://github.com/sylabs/sif/security/advisories/GHSA-4gh8-x3vv-phhg](https://github.com/sylabs/sif/security/advisories/GHSA-4gh8-x3vv-phhg)

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