QID 980723

QID 980723: Python (pip) Security Update for tuf (GHSA-pwqf-9h7j-7mv8)

Security update has been released for tuf to fix the vulnerability.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Metadadata signature verification, as used in `tuf.client.updater`, counted each of multiple signatures with identical authorized keyids separately towards the threshold. Therefore, an attacker with access to a valid signing key could create multiple valid signatures in order to meet the minimum threshold of keys before the metadata was considered valid.

The tuf maintainers would like to thank Erik MacLean of Analog Devices, Inc. for reporting this issue.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

A [fix](https://github.com/theupdateframework/tuf/pull/974) is available in version [0.12.2](https://github.com/theupdateframework/tuf/releases/tag/v0.12.2) or newer.Workaround:
No workarounds are known for this issue.

Vendor References

GHSA-pwqf-9h7j-7mv8 - github.com/advisories/GHSA-pwqf-9h7j-7mv8

CVEs related to QID 980723

CVE-2020-6174 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-pwqf-9h7j-7mv8	tuf		github.com/advisories/GHSA-pwqf-9h7j-7mv8

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