Lucene search

K
osvGoogleOSV:ALSA-2023:3095
HistoryMay 16, 2023 - 12:00 a.m.

Moderate: libreswan security and bug fix update

2023-05-1600:00:00
Google
osv.dev
4
ipsec
ike
linux
cryptography
vpn
security
bug fix
dos
cvss
fips

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

53.6%

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).

Security Fix(es):

  • libreswan: remote DoS via crafted TS payload with an incorrect selector length (CVE-2023-23009)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • authby=rsasig fails in FIPS policy (BZ#2187647)

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.002

Percentile

53.6%