CVE-2021-36386

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-36386
report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/07/28/5 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/09/1 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/
https://security.gentoo.org/glsa/202209-14 Third Party Advisory
https://www.fetchmail.info/fetchmail-SA-2021-01.txt Vendor Advisory
https://www.fetchmail.info/security.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/07/28/5 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/09/1 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/
https://security.gentoo.org/glsa/202209-14 Third Party Advisory
https://www.fetchmail.info/fetchmail-SA-2021-01.txt Vendor Advisory
https://www.fetchmail.info/security.html Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

21 Nov 2024, 06:13

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/07/28/5 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/07/28/5 - Mailing List, Patch, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/08/09/1 - Mailing List () http://www.openwall.com/lists/oss-security/2021/08/09/1 - Mailing List
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/ -
References () https://security.gentoo.org/glsa/202209-14 - Third Party Advisory () https://security.gentoo.org/glsa/202209-14 - Third Party Advisory
References () https://www.fetchmail.info/fetchmail-SA-2021-01.txt - Vendor Advisory () https://www.fetchmail.info/fetchmail-SA-2021-01.txt - Vendor Advisory
References () https://www.fetchmail.info/security.html - Vendor Advisory () https://www.fetchmail.info/security.html - Vendor Advisory

28 Oct 2022, 13:14

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202209-14 - Third Party Advisory

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-400 CWE-909

20 Sep 2021, 12:22

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77/ - Mailing List, Third Party Advisory
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIXKO6QW3AUHGJVWKJXBCOVBYJUJRBFC/ - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/09/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/09/1 - Mailing List

12 Aug 2021, 03:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/09/1 -

09 Aug 2021, 13:25

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:*
CWE CWE-400
References (CONFIRM) https://www.fetchmail.info/fetchmail-SA-2021-01.txt - (CONFIRM) https://www.fetchmail.info/fetchmail-SA-2021-01.txt - Vendor Advisory
References (MISC) http://www.openwall.com/lists/oss-security/2021/07/28/5 - (MISC) http://www.openwall.com/lists/oss-security/2021/07/28/5 - Mailing List, Patch, Third Party Advisory
References (MISC) https://www.fetchmail.info/security.html - (MISC) https://www.fetchmail.info/security.html - Vendor Advisory

30 Jul 2021, 15:16

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-30 14:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36386

Mitre link : CVE-2021-36386

CVE.ORG link : CVE-2021-36386

JSON object : View

Products Affected

fetchmail

  • fetchmail

fedoraproject

  • fedora
CWE
CWE-909

Missing Initialization of Resource