CVE-2021-3693

Published on: 08/23/2021 12:00:00 AM UTC

Last Modified on: 08/27/2021 03:01:00 PM UTC

CVE-2021-3693 - advisory for daf1384d-648a-43fd-9b35-5c37d8ead667

Source: Mitre Source: Nist Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Debian Linux from Debian contain the following vulnerability:

LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

  • CVE-2021-3693 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo ledgersmb - ledgersmb/ledgersmb version ! 1.7.33
  • Affected Vendor/Software: URL Logo ledgersmb - ledgersmb/ledgersmb version < 1.8.18

CVSS3 Score: 9.6 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
huntr: Disclose & Fix Security Vulnerabilities in Open Source huntr.dev
text/html
Inactive LinkNot Archived
URL Logo CONFIRM huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667
Security advisory for CVE-2021-3693 (Cross site scripting) | LedgerSMB ledgersmb.org
text/html
URL Logo MISC ledgersmb.org/cve-2021-3693-cross-site-scripting
Debian -- Security Information -- DSA-4962-1 ledgersmb www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4962

Related QID Numbers

  • 178772 Debian Security Update for ledgersmb (DSA 4962-1)
  • 198528 Ubuntu Security Notification for LedgerSMB Vulnerabilities (USN-5097-1)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
DebianDebian Linux11.0AllAllAll
ApplicationLedgersmbLedgersmbAllAllAllAll
ApplicationLedgersmbLedgersmbAllAllAllAll
ApplicationLedgersmbLedgersmbAllAllAllAll
ApplicationLedgersmbLedgersmbAllAllAllAll
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @Wired_Pulse I wrote a #PoC to #exploit the vulnerability in #CVE-2021-3693 (#HiveNightmare (aka #SeriousSam)). It is pure… twitter.com/i/web/status/1… 2021-07-22 04:35:46
Twitter Icon @Wired_Pulse Earlier I posted a #PoC that I wrote for #CVE-2021-3693 (#HiveNightmare (aka #SeriousSAM)), which was geared for re… twitter.com/i/web/status/1… 2021-07-22 12:15:40
Twitter Icon @CVEreport CVE-2021-3693 : LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a… twitter.com/i/web/status/1… 2021-08-23 12:49:50
Twitter Icon @GrupoICA_Ciber ?DEBIAN? Múltiples vulnerabilidades de severidad alta en productos DEBIAN: CVE-2021-3693,CVE-2021-32761,CVE-2021-… twitter.com/i/web/status/1… 2021-08-28 08:01:56
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