CVE-2018-0114
Description
A vulnerability in the Cisco node-jose open source library before 0.11.0 could allow an unauthenticated, remote attacker to re-sign tokens using a key that is embedded within the token. The vulnerability is due to node-jose following the JSON Web Signature (JWS) standard for JSON Web Tokens (JWTs). This standard specifies that a JSON Web Key (JWK) representing a public key can be embedded within the header of a JWS. This public key is then trusted for verification. An attacker could exploit this by forging valid JWS objects by removing the original signature, adding a new public key to the header, and then signing the object using the (attacker-owned) private key associated with the public key embedded in that JWS header.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
node-josenpm | < 0.11.0 | 0.11.0 |
Affected products
1Patches
Vulnerability mechanics
References
8- tools.cisco.com/security/center/viewAlert.xnvdPatchVendor AdvisoryWEB
- www.securityfocus.com/bid/102445nvdThird Party AdvisoryVDB Entry
- github.com/advisories/GHSA-jfxm-w8g2-4rcvghsaADVISORY
- github.com/cisco/node-jose/blob/master/CHANGELOG.mdnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2018-0114ghsaADVISORY
- www.exploit-db.com/exploits/44324/nvdThird Party AdvisoryVDB Entry
- web.archive.org/web/20210124130907/http://www.securityfocus.com/bid/102445ghsaWEB
- www.exploit-db.com/exploits/44324ghsaWEB
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