Advisories for Golang/Github.com/Sigstore/Rekor package

2023

malformed proposed intoto entries can cause a panic

Rekor's goals are to provide an immutable tamper resistant ledger of metadata generated within a software projects supply chain. A malformed proposed entry of the intoto/v0.0.2 type can cause a panic on a thread within the Rekor process. The thread is recovered so the client receives a 500 error message and service still continues, so the availability impact of this is minimal. This has been fixed in v1.2.0 of Rekor. …

Rekor's compressed archives can result in OOM conditions

Summary Two vulnerabilities have been found in Rekor types for archive files JARs and APKs, where Rekor would crash due to out of memory conditions caused by reading archive metadata files into memory without checking their sizes first causing a Denial of Service of Rekor. These vulnerabilities were found through fuzzing with OSS-Fuzz. Vulnerability 1: OOM due to large files in META-INF directory of JAR files. Summary Verification of a …