Vulnerability Name:

CVE-2013-2111 (CCN-84396)

Assigned:2013-05-20
Published:2013-05-20
Updated:2014-05-28
Summary:The IMAP functionality in Dovecot before 2.2.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via invalid APPEND parameters.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2013-2111

Source: CCN
Type: SA53492
Dovecot IMAP "APPEND" Parameters Processing Denial of Service Vulnerability

Source: SECUNIA
Type: UNKNOWN
53492

Source: CCN
Type: Dovecot Web Site
v2.2.2 released

Source: MLIST
Type: Patch, Vendor Advisory
[Dovecot-news] 20130520 v2.2.2 released

Source: MLIST
Type: UNKNOWN
[oss-security] 20130524 Re: CVE request: dovecot : "APPEND" Parameters Processing Denial of Service Vulnerability

Source: CCN
Type: BID-60052
Dovecot 'APPEND' Parameter Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1028585

Source: XF
Type: UNKNOWN
dovecot-imap-append-dos(84396)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc5:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc6:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2:rc7:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:2.2.0:-:*:*:*:*:*:*
  • OR cpe:/a:dovecot:dovecot:*:*:*:*:*:*:*:* (Version <= 2.2.1)

    • Configuration CCN 1:
  • cpe:/a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20132111000
    V
    		CVE-2013-2111 on Ubuntu 12.04 LTS (precise) - low.
    2014-05-27
    oval:com.ubuntu.trusty:def:20132111000
    V
    		CVE-2013-2111 on Ubuntu 14.04 LTS (trusty) - low.
    2014-05-27
    BACK
    dovecot dovecot 2.2 rc1
    dovecot dovecot 2.2 rc2
    dovecot dovecot 2.2 rc3
    dovecot dovecot 2.2 rc4
    dovecot dovecot 2.2 rc5
    dovecot dovecot 2.2 rc6
    dovecot dovecot 2.2 rc7
    dovecot dovecot 2.2.0
    dovecot dovecot *
    dovecot dovecot 2.2 rc1