AmazonALAS2-2023-2145Medium: lynx
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
5.6 Medium
AI Score
Confidence
High
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
0.006 Low
EPSS
Percentile
78.6%
Issue Overview:
Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data. (CVE-2021-38165)
Affected Packages:
lynx
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update lynx to update your system.
New Packages:
aarch64:
lynx-2.8.9-4.amzn2.aarch64
lynx-debuginfo-2.8.9-4.amzn2.aarch64
i686:
lynx-2.8.9-4.amzn2.i686
lynx-debuginfo-2.8.9-4.amzn2.i686
src:
lynx-2.8.9-4.amzn2.src
x86_64:
lynx-2.8.9-4.amzn2.x86_64
lynx-debuginfo-2.8.9-4.amzn2.x86_64
Additional References
Red Hat: CVE-2021-38165
Mitre: CVE-2021-38165
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Amazon Linux | 2 | aarch64 | lynx | < 2.8.9-4.amzn2 | lynx-2.8.9-4.amzn2.aarch64.rpm |
| Amazon Linux | 2 | aarch64 | lynx-debuginfo | < 2.8.9-4.amzn2 | lynx-debuginfo-2.8.9-4.amzn2.aarch64.rpm |
| Amazon Linux | 2 | i686 | lynx | < 2.8.9-4.amzn2 | lynx-2.8.9-4.amzn2.i686.rpm |
| Amazon Linux | 2 | i686 | lynx-debuginfo | < 2.8.9-4.amzn2 | lynx-debuginfo-2.8.9-4.amzn2.i686.rpm |
| Amazon Linux | 2 | x86_64 | lynx | < 2.8.9-4.amzn2 | lynx-2.8.9-4.amzn2.x86_64.rpm |
| Amazon Linux | 2 | x86_64 | lynx-debuginfo | < 2.8.9-4.amzn2 | lynx-debuginfo-2.8.9-4.amzn2.x86_64.rpm |
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
5.6 Medium
AI Score
Confidence
High
2.6 Low
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
0.006 Low
EPSS
Percentile
78.6%