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6 vulnerabilities found for opensmtpd by openbsd
CVE-2020-7247 (GCVE-0-2020-7247)
Vulnerability from cvelistv5 – Published: 2020-01-29 15:53 – Updated: 2025-10-21 23:35Summary
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-755 - Improper Handling of Exceptional Conditions
Assigner
References
15 references
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CVE-2015-7687 (GCVE-0-2015-7687)
Vulnerability from cvelistv5 – Published: 2017-10-16 18:00 – Updated: 2024-08-06 07:58
VLAI
Summary
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2015/10/03/1 | mailing-listx_refsource_MLIST |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://www.opensmtpd.org/announces/release-5.7.2.txt | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/76975 | vdb-entryx_refsource_BID |
| https://www.qualys.com/2015/10/02/opensmtpd-audit… | x_refsource_MISC |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://bugzilla.redhat.com/show_bug.cgi?id=1268793 | x_refsource_CONFIRM |
Date Public
2015-10-02 00:00
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CVE-2013-2125 (GCVE-0-2013-2125)
Vulnerability from cvelistv5 – Published: 2014-05-27 15:00 – Updated: 2024-08-06 15:27
VLAI
Summary
OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://seclists.org/oss-sec/2013/q2/362 | mailing-listx_refsource_MLIST |
| http://git.zx2c4.com/OpenSMTPD/commit/?id=38b2692… | x_refsource_CONFIRM |
| http://secunia.com/advisories/53353 | third-party-advisoryx_refsource_SECUNIA |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://seclists.org/oss-sec/2013/q2/366 | mailing-listx_refsource_MLIST |
| http://osvdb.org/93495 | vdb-entryx_refsource_OSVDB |
Date Public
2013-05-16 00:00
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CVE-2020-7247 (GCVE-0-2020-7247)
Vulnerability from nvd – Published: 2020-01-29 15:53 – Updated: 2025-10-21 23:35Summary
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-755 - Improper Handling of Exceptional Conditions
Assigner
References
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CVE-2015-7687 (GCVE-0-2015-7687)
Vulnerability from nvd – Published: 2017-10-16 18:00 – Updated: 2024-08-06 07:58
VLAI
Summary
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2015/10/03/1 | mailing-listx_refsource_MLIST |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://www.opensmtpd.org/announces/release-5.7.2.txt | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/76975 | vdb-entryx_refsource_BID |
| https://www.qualys.com/2015/10/02/opensmtpd-audit… | x_refsource_MISC |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
| https://bugzilla.redhat.com/show_bug.cgi?id=1268793 | x_refsource_CONFIRM |
Date Public
2015-10-02 00:00
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CVE-2013-2125 (GCVE-0-2013-2125)
Vulnerability from nvd – Published: 2014-05-27 15:00 – Updated: 2024-08-06 15:27
VLAI
Summary
OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://seclists.org/oss-sec/2013/q2/362 | mailing-listx_refsource_MLIST |
| http://git.zx2c4.com/OpenSMTPD/commit/?id=38b2692… | x_refsource_CONFIRM |
| http://secunia.com/advisories/53353 | third-party-advisoryx_refsource_SECUNIA |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://seclists.org/oss-sec/2013/q2/366 | mailing-listx_refsource_MLIST |
| http://osvdb.org/93495 | vdb-entryx_refsource_OSVDB |
Date Public
2013-05-16 00:00
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