High severity7.5NVD Advisory· Published Jan 22, 2024· Updated Jun 22, 2026
CVE-2024-21484
CVE-2024-21484
Description
Versions of the package jsrsasign before 11.0.0 are vulnerable to Observable Discrepancy via the RSA PKCS1.5 or RSAOAEP decryption process. An attacker can decrypt ciphertexts by exploiting the Marvin security flaw. Exploiting this vulnerability requires the attacker to have access to a large number of ciphertexts encrypted with the same key. Workaround The vulnerability can be mitigated by finding and replacing RSA and RSAOAEP decryption with another crypto library.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
jsrsasignnpm | < 11.0.0 | 11.0.0 |
Affected products
3- jsrsasign/jsrsasigndescription
Patches
Vulnerability mechanics
References
11- github.com/kjur/jsrsasign/releases/tag/11.0.0nvdPatchRelease NotesWEB
- security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-6070734nvdPatchThird Party AdvisoryWEB
- security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-6070733nvdPatchThird Party AdvisoryWEB
- security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6070732nvdPatchThird Party AdvisoryWEB
- security.snyk.io/vuln/SNYK-JS-JSRSASIGN-6070731nvdPatchThird Party AdvisoryWEB
- github.com/kjur/jsrsasign/issues/598nvdExploitIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-rh63-9qcf-83gfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-21484ghsaADVISORY
- github.com/kjur/jsrsasign/security/advisories/GHSA-rh63-9qcf-83gfghsaWEB
- people.redhat.com/~hkario/marvinghsaWEB
- people.redhat.com/~hkario/marvin/nvd
News mentions
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