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ubuntuUbuntuUSN-4974-1
HistoryJun 02, 2021 - 12:00 a.m.

Lasso vulnerability

2021-06-0200:00:00
ubuntu.com
135
ubuntu
lasso
saml protocol
access controls
vulnerability
user impersonation

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.6

Confidence

High

EPSS

0.006

Percentile

78.1%

JSON

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • lasso - Liberty Alliance and SAML protocol Library

Details

It was discovered that Lasso did not properly verify that all
assertions in a SAML response were properly signed. An attacker
could possibly use this to impersonate users or otherwise bypass
access controls.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchliblasso-perl< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblasso-perl-dbgsym< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblasso3< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblasso3-dbgsym< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchliblasso3-dev< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchpython3-lasso< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu21.04noarchpython3-lasso-dbgsym< 2.6.1-2ubuntu0.1UNKNOWN
Ubuntu20.10noarchliblasso-perl< 2.6.0-7ubuntu2.1UNKNOWN
Ubuntu20.10noarchliblasso-perl-dbgsym< 2.6.0-7ubuntu2.1UNKNOWN
Ubuntu20.10noarchliblasso3< 2.6.0-7ubuntu2.1UNKNOWN
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Related

redos 1
prion 1
openvas 12
fedora 2
osv 5
nessus 23
cisco 1
ubuntucve 1
cvelist 1
redhat 2
debian 3
amazon 2
suse 1
cve 1
redhatcve 1
akamaiblog 4
cbl_mariner 1
almalinux 1
oraclelinux 2
rocky 1
debiancve 1
nvd 1
f5 1
veracode 1
freebsd 1
redos
redos
ROS-20240730-02
2024-07-30 00:00:00
prion
prion
Design/Logic Flaw
2021-06-04 15:15:00
openvas
openvas
Debian: Security Advisory (DSA-4926-1)
2021-06-05 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:2589-1)
2021-08-04 00:00:00
Fedora: Security Advisory for lasso (FEDORA-2021-508acb1153)
2021-06-17 00:00:00
fedora
fedora
[SECURITY] Fedora 33 Update: lasso-2.7.0-1.fc33
2021-06-11 01:20:08
[SECURITY] Fedora 34 Update: lasso-2.7.0-1.fc34
2021-06-11 01:15:56
osv
osv
Moderate: lasso security and enhancement update
2021-11-09 09:01:05
lasso - security update
2021-06-10 00:00:00
lasso vulnerability
2021-06-02 03:15:08
nessus
nessus
RHEL 8 : lasso (RHSA-2021:4325)
2021-11-11 00:00:00
Scientific Linux Security Update : lasso on SL7.x i686/x86_64 (2021:2989)
2021-08-03 00:00:00
EulerOS 2.0 SP3 : lasso (EulerOS-SA-2021-2589)
2021-10-25 00:00:00
cisco
cisco
Lasso SAML Implementation Vulnerability Affecting Cisco Products: June 2021
2021-06-01 12:30:00
ubuntucve
ubuntucve
CVE-2021-28091
2021-06-01 00:00:00
cvelist
cvelist
CVE-2021-28091
2021-06-04 14:39:14
redhat
redhat
(RHSA-2021:2989) Important: lasso security update
2021-08-02 14:32:12
(RHSA-2021:4325) Moderate: lasso security and enhancement update
2021-11-09 09:01:05
debian
debian
[SECURITY] [DSA 4926-1] lasso security update
2021-06-03 20:22:41
[SECURITY] [DLA 2684-1] lasso security update
2021-06-10 05:49:35
[SECURITY] [DSA 4926-1] lasso security update
2021-06-03 20:22:41
amazon
amazon
Important: lasso
2021-06-16 20:37:00
Important: lasso
2021-09-02 22:54:00
suse
suse
Security update for lasso (important)
2021-07-20 00:00:00
cve
cve
CVE-2021-28091
2021-06-04 15:15:07
redhatcve
redhatcve
CVE-2021-28091
2021-06-01 14:19:14
akamaiblog
akamaiblog
Akamai EAA Impersonation Vulnerability - A Deep Dive
2021-06-01 04:00:00
Akamai EAA Impersonation Vulnerability - A Deep Dive
2021-06-01 13:00:30
SAML Implementation Vulnerability Impacting Some Akamai Services
2021-06-01 13:00:00
cbl_mariner
cbl_mariner
CVE-2021-28091 affecting package lasso for versions less than 2.8.0-1
2022-10-05 17:21:40
almalinux
almalinux
Moderate: lasso security and enhancement update
2021-11-09 09:01:05
oraclelinux
oraclelinux
lasso security update
2021-08-02 00:00:00
lasso security and enhancement update
2021-11-16 00:00:00
rocky
rocky
lasso security and enhancement update
2021-11-09 09:01:05
debiancve
debiancve
CVE-2021-28091
2021-06-04 15:15:07
nvd
nvd
CVE-2021-28091
2021-06-04 15:15:07
f5
f5
K02151228 : Lasso XML signature wrapping vulnerability CVE-2021-28091
2021-06-07 00:00:00
veracode
veracode
Insecure Cryptographic Function
2021-08-13 15:38:08
freebsd
freebsd
lasso -- signature checking failure
2021-06-01 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.6

Confidence

High

EPSS

0.006

Percentile

78.1%

JSON
Related for USN-4974-1
redos1prion1openvas12fedora2osv5nessus23cisco1ubuntucve1cvelist1redhat2debian3amazon2suse1cve1redhatcve1akamaiblog4cbl_mariner1almalinux1oraclelinux2rocky1debiancve1nvd1f51veracode1freebsd1