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 2.0
Severity: MEDIUM
Problem Type: CWE-119,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | fedora | 22 |
| fedoraproject | fedora | 20 |
| entrouvert | lasso | * |
| fedoraproject | fedora | 21 |
Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | 3.9 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-347,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | fedora | 34 |
| entrouvert | lasso | * |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| fedoraproject | fedora | 33 |
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 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| talos-cna@cisco.com | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 3.9 | 3.6 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| entrouvert | lasso | 2.5.1 |
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 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| talos-cna@cisco.com | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 3.9 | 3.6 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| entrouvert | lasso | 2.5.1 |
| entrouvert | lasso | 2.8.2 |
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 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| talos-cna@cisco.com | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 3.9 | 3.6 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| entrouvert | lasso | 2.5.1 |
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 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| talos-cna@cisco.com | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| entrouvert | lasso | 2.5.1 |
| entrouvert | lasso | 2.8.2 |