Entrouvert: >> Lasso Security Vulnerabilities
A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
CVSS Score
7.5
EPSS Score
0.0
Published
2025-11-05
A type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability.
CVSS Score
9.8
EPSS Score
0.001
Published
2025-11-05
A denial of service vulnerability exists in the g_assert_not_reached functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML assertion response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
CVSS Score
7.5
EPSS Score
0.0
Published
2025-11-05
A denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-11-05
Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.
CVSS Score
7.5
EPSS Score
0.005
Published
2021-06-04
The prefix variable in the get_or_define_ns function in Lasso before commit 6d854cef4211cdcdbc7446c978f23ab859847cdd allows remote attackers to cause a denial of service (uninitialized memory access and application crash) via unspecified vectors.
CVSS Score
7.5
EPSS Score
0.011
Published
2017-08-11
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
CVSS Score
4.3
EPSS Score
0.001
Published
2009-01-07