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nvd[email protected]NVD:CVE-2020-35679
HistoryDec 24, 2020 - 4:15 p.m.

CVE-2020-35679

2020-12-2416:15:15
CWE-401
[email protected]
web.nvd.nist.gov
6
opensmtpd
memory leak
vulnerability
regex lookup

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.0%

JSON

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a “very significant” memory leak via messages to an instance that performs many regex lookups.

Affected configurations

Nvd
Node
opensmtpdopensmtpdRange<6.8.0
OR
opensmtpdopensmtpdMatch6.8.0-
OR
opensmtpdopensmtpdMatch6.8.0patch1-rc1
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
VendorProductVersionCPE
opensmtpdopensmtpd*cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*
opensmtpdopensmtpd6.8.0cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:-:*:*:*:*:*:*
opensmtpdopensmtpd6.8.0cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:patch1-rc1:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Related

ubuntucve 1
alpinelinux 1
osv 1
prion 1
veracode 1
debiancve 1
cvelist 1
cve 1
nessus 3
archlinux 1
fedora 2
openvas 2
gentoo 1
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2020-12-24 16:15:00
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2020-12-29 01:02:09
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Fedora 33 : opensmtpd (2021-848fd34b0b)
2021-02-01 00:00:00
GLSA-202105-12 : OpenSMTPD: Multiple vulnerabilities
2021-05-27 00:00:00
Fedora 32 : opensmtpd (2021-71fbdecdf8)
2021-02-01 00:00:00
archlinux
archlinux
[ASA-202101-18] opensmtpd: multiple issues
2021-01-12 00:00:00
fedora
fedora
[SECURITY] Fedora 32 Update: opensmtpd-6.8.0p2-1.fc32
2021-01-30 01:42:58
[SECURITY] Fedora 33 Update: opensmtpd-6.8.0p2-1.fc33
2021-01-30 01:55:44
openvas
openvas
Fedora: Security Advisory for opensmtpd (FEDORA-2021-71fbdecdf8)
2021-02-01 00:00:00
Fedora: Security Advisory for opensmtpd (FEDORA-2021-848fd34b0b)
2021-02-01 00:00:00
gentoo
gentoo
OpenSMTPD: Multiple vulnerabilities
2021-05-26 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.0%

JSON
Related for NVD:CVE-2020-35679
ubuntucve1alpinelinux1osv1prion1veracode1debiancve1cvelist1cve1nessus3archlinux1fedora2openvas2gentoo1