Lucene search

K
githubGitHub Advisory DatabaseGHSA-5CF7-CXRF-MQ73
HistoryAug 02, 2024 - 1:20 a.m.

Bostr Improper Authorization vulnerability

2024-08-0201:20:13
CWE-285
GitHub Advisory Database
github.com
2
bostr
improper authorization
vulnerability
authorized keys
noscraper
bqouncer
private bouncer
patches
workarounds
references
software

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

27.6%

Even with authorized_keys is filled with allowed pubkeys, If noscraper is enabled, It will allow anyone to use bouncer even it’s pubkey is not in authorized_keys.

Impact

  • Private bouncer

Patches

Available on version 3.0.10

Workarounds

Disable noscraper if you have authorized_keys being set in config

References

This line of code is the cause.

Affected configurations

Vulners
Node
yonlebostrRange<3.0.10
VendorProductVersionCPE
yonlebostr*cpe:2.3:a:yonle:bostr:*:*:*:*:*:*:*:*

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

27.6%

Related for GHSA-5CF7-CXRF-MQ73