CVE-2024-22192 Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

CVE-2024-22192 Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

CVE-2024-21670 CL-Signatures Revocation Scheme in Ursa has flaws that allow a holder to demonstrate non-revocation of a revoked credential

Ursa is a cryptographic library for use with blockchains. The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to...

CVE-2022-31021

CVE-2022-31021 concerns Ursa/AnonCreds CL-Signatures: a weakness where the issuer’s key correctness proof is not published, potentially enabling weakened private keys that could allow verifiers to link presentations to the issuer. The issue applies to the CL-Signatures implementations used in Urs...

GHSA-R78F-4Q2Q-HVV4 CL-Signatures Revocation Scheme in Ursa has flaws that allow a holder to demonstrate non-revocation of a revoked credential

Summary The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to generate a valid Non-Revocation Proof for that...

Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Summary The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a unique identifier for a holder providing a...

GHSA-6698-MHXX-R84G Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Summary The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a unique identifier for a holder providing a...

Breaking unlinkability in Identity Mixer using malicious keys

CL Signatures Issuer Key Correctness Proof lacks of prime strength checking A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key ...

GHSA-2Q6J-GQC4-4GW3 Breaking unlinkability in Identity Mixer using malicious keys

CL Signatures Issuer Key Correctness Proof lacks of prime strength checking A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key ...

CVE-2019-8212

creationtimestamp| type| source ---|---|--- 2024-01-16 20:15:54+00:00| published-proof-of-concept| https://t.me/ctinow/168976...

PT-2024-19012 · Ursa · Ursa

Name of the Vulnerable Software and Affected Versions: Ursa affected versions not specified Description: The revocation schema in Ursa's CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. This flaw allows a...

PT-2024-19265 · Ursa · Ursa

Name of the Vulnerable Software and Affected Versions: Ursa affected versions not specified Description: The revocation scheme in Ursa's CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. A malicious verifier may...

CVE-2023-51000

creationtimestamp| type| source ---|---|--- 2024-01-15 11:56:27+00:00| published-proof-of-concept| https://t.me/CNArsenal/1845 2024-01-15 12:10:12+00:00| published-proof-of-concept| https://t.me/CyberSecurityTechnologies/9789 2024-08-16 09:09:01+00:00| published-proof-of-concept|...

CVE-2024-23199

creationtimestamp| type| source ---|---|--- 2024-01-14 22:00:56+00:00| published-proof-of-concept| https://t.me/GithubRedTeam/6421...

CVE-2024-23200

creationtimestamp| type| source ---|---|--- 2024-01-14 21:48:31+00:00| published-proof-of-concept| https://t.me/GithubRedTeam/6420...

CVE-2023-6690

creationtimestamp| type| source ---|---|--- 2024-01-14 16:11:05+00:00| published-proof-of-concept| https://t.me/ctinow/168069...

Exploit for CVE-2024-24138

CVE-2024-24138: Online Timesheet App SQL Injec...

Exploit for CVE-2024-24137

CVE-2024-24137: Student File Managment System SQ...

Exploit for Cross-site Scripting in Remyandrade Math_Game

CVE-2024-24136 : Math Game Cross-Site-Scripti...

CVE-2023-31036

creationtimestamp| type| source ---|---|--- 2024-01-12 18:52:06+00:00| seen| https://t.me/ctinow/167437 2024-02-02 21:46:50+00:00| seen| https://t.me/ctinow/178283 2024-05-17 14:18:43+00:00| published-proof-of-concept|...