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Potential information disclosure relating to user existence, SAP security note 1823687

Description

An attacker can discover information relating to user existence during logon.
This information could be used to allow the attacker to specialize their attacks against password logon.

CVSS Information

CVSS Base Score: 4.3
CVSS Base Vector: AV:N/AC:M/AU:N/C:P/I:N/A:N

SAP provides this CVSS base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at https://service.sap.com/securitynotes/.

Available fix and Supported packages

  • KRNL32NUC | 7.21 | 7.21
  • KRNL32NUC | 7.21EXT | 7.21EXT
  • KRNL32UC | 7.21 | 7.21
  • KRNL32UC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.21 | 7.21
  • KRNL64NUC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.40 | 7.40
  • KRNL64UC | 7.21 | 7.21
  • KRNL64UC | 7.21EXT | 7.21EXT
  • KRNL64UC | 7.40 | 7.40
  • SAP_BASIS | 700 | 702
  • SAP_BASIS | 710 | 730
  • SAP_BASIS | 731 | 731
  • SAP_BASIS | 740 | 740
  • KERNEL | 7.21 | 7.21
  • KERNEL | 7.40 | 7.40
  • SAP_BASIS 731 | SAPKB73108 |
  • SAP_BASIS 740 | SAPKB74003 |
  • SAP KERNEL 7.21 32-BIT | SP115 | 000115
  • SAP KERNEL 7.21 32-BIT UNICODE | SP115 | 000115
  • SAP KERNEL 7.21 64-BIT | SP115 | 000115
  • SAP KERNEL 7.21 64-BIT UNICODE | SP115 | 000115
  • SAP KERNEL 7.21 EXT 32-BIT | SP115 | 000115
  • SAP KERNEL 7.21 EXT 32-BIT UC | SP115 | 000115
  • SAP KERNEL 7.21 EXT 64-BIT | SP115 | 000115
  • SAP KERNEL 7.21 EXT 64-BIT UC | SP115 | 000115
  • SAP KERNEL 7.40 64-BIT | SP013 | 000013
  • SAP KERNEL 7.40 64-BIT | SP014 | 000014
  • SAP KERNEL 7.40 64-BIT UNICODE | SP013 | 000013
  • SAP KERNEL 7.40 64-BIT UNICODE | SP014 | 000014

Affected component

    BC-SEC-LGN
    Authentication

CVSS

Score: 0

Exploit

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

https://launchpad.support.sap.com/#/notes/1823687

TAGS

#Information-disclosure
#user-existence
#password-logon.

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