CVE-2011-1720 · threatengine.sh

Home/CVE/The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain

CVE

CVE-2011-1720

The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain

The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.

MEDIUM · CVSS 6.8 EPSS 0.45154

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 2% of all CVEs by exploitation likelihood

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

▤

Affected Products & Versions

1

postfixall versions

▣

Scoring & Timeline

6.8

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD13 May 2011 · 05:05 PM

⚑

Vendor Advisories

2

rhsaRHSA-2011:0843Moderate

🔗

References & Sources

18

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705

http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00002.html

http://secunia.com/advisories/44500Vendor Advisory

http://security.gentoo.org/glsa/glsa-201206-33.xml

http://securityreason.com/securityalert/8247

http://www.debian.org/security/2011/dsa-2233

Show all 18 references

http://www.kb.cert.org/vuls/id/727230US Government Resource

http://www.mail-archive.com/postfix-announce%40postfix.org/msg00007.html

http://www.mandriva.com/security/advisories?name=MDVSA-2011:090

http://www.osvdb.org/72259

http://www.postfix.org/CVE-2011-1720.htmlVendor Advisory

http://www.postfix.org/announcements/postfix-2.8.3.htmlVendor Advisory

http://www.securityfocus.com/archive/1/517917/100/0/threaded

http://www.securityfocus.com/bid/47778Patch

http://www.securitytracker.com/id?1025521

http://www.ubuntu.com/usn/usn-1131-1

https://bugzilla.redhat.com/show_bug.cgi?id=699035

https://exchange.xforce.ibmcloud.com/vulnerabilities/67359

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin