CVE-2011-0411
What it is
The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 16.3% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 16.3% in the next 30 days (EPSS).
- Severity: 6.8 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 16.3% · EPSS, next 30 days
- Weakness
- CWE-264
- Record status
- Modified
Affected
- Postfix 2.4
- Postfix 2.4.0
- Postfix 2.4.1
- Postfix 2.4.2
- Postfix 2.4.3
- Postfix 2.4.4
- Postfix 2.4.5
- Postfix 2.4.6
Attack profile CVSS 2.0 · 6.8
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-0411.md and follow it. Check whether this project is affected by CVE-2011-0411. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://secunia.com/advisories/43646
- http://www.postfix.org/CVE-2011-0411.html
- http://www.vupen.com/english/advisories/2011/0611
- http://secunia.com/advisories/43646
- http://www.postfix.org/CVE-2011-0411.html
- http://www.vupen.com/english/advisories/2011/0611
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056559.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056560.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://secunia.com/advisories/43646
- http://secunia.com/advisories/43874
- http://security.gentoo.org/glsa/glsa-201206-33.xml
- http://securitytracker.com/id?1025179
- http://support.apple.com/kb/HT5002
- http://www.debian.org/security/2011/dsa-2233
- http://www.kb.cert.org/vuls/id/555316
- http://www.kb.cert.org/vuls/id/MORO-8ELH6Z
- http://www.openwall.com/lists/oss-security/2021/08/10/2
- http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html
- http://www.osvdb.org/71021
- http://www.postfix.org/CVE-2011-0411.html
- http://www.redhat.com/support/errata/RHSA-2011-0422.html
- http://www.redhat.com/support/errata/RHSA-2011-0423.html
- http://www.securityfocus.com/bid/46767
- http://www.vupen.com/english/advisories/2011/0611
- http://www.vupen.com/english/advisories/2011/0752
- http://www.vupen.com/english/advisories/2011/0891
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65932
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705