CVE-2021-27836

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-27836
An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/libxls/libxls/issues/94 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/
Configurations

Configuration 1 (hide)

cpe:2.3:a:libxls_project:libxls:1.6.2:-:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
History

07 Nov 2023, 03:32

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/', 'name': 'FEDORA-2021-785cdbddf9', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/', 'name': 'FEDORA-2021-25e89d9374', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/', 'name': 'FEDORA-2021-033a5fe9e5', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/ -

26 Nov 2021, 20:01

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

24 Nov 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y6XOTFEOCHYKZAFCB6H3KNIIFJ3UFV7V/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5D7XXCVFYRRMI4ENXYSD3MZEBS6SMI7E/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SFOE4Z6T46LA47VXWUVET4ELXRZQ3BWB/ -

04 Nov 2021, 19:30

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.5
CWE CWE-476
CPE cpe:2.3:a:libxls_project:libxls:1.6.2:-:*:*:*:*:*:*
References (MISC) https://github.com/libxls/libxls/issues/94 - (MISC) https://github.com/libxls/libxls/issues/94 - Patch, Third Party Advisory

03 Nov 2021, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-03 17:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-27836

Mitre link : CVE-2021-27836

CVE.ORG link : CVE-2021-27836

JSON object : View

Products Affected

libxls_project

  • libxls

fedoraproject

  • fedora
CWE
CWE-476

NULL Pointer Dereference