CVE-2020-35680 (High) detected in src0aecda14650f9fce8577e43d2a403385b5fa5bcf

[mend-for-github-com[bot]]

CVE-2020-35680 - High Severity Vulnerability

Vulnerable Library - src0aecda14650f9fce8577e43d2a403385b5fa5bcf

Public git conversion mirror of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.

Library home page: https://github.com/openbsd/src.git

Vulnerable Source Files (2)

/usr.sbin/smtpd/lka_filter.c /usr.sbin/smtpd/lka_filter.c

Vulnerability Details

smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.

Publish Date: 2020-12-24

URL: CVE-2020-35680

CVSS 3 Score Details (7.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2020-35680

Release Date: 2020-12-24

Fix Resolution: opensmtpd - 6.8.0p2-1,6.8.0p2-1

[mend-for-github-com[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-for-github-com[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.