Vulnerability Name:

CVE-2017-18265 (CCN-143072)

Assigned:2017-09-12
Published:2017-09-12
Updated:2019-10-03
Summary:Prosody before 0.10.0 allows remote attackers to cause a denial of service (application crash), related to an incompatibility with certain versions of the LuaSocket library, such as the lua-socket package from Debian stretch. The attacker needs to trigger a stream error. A crash can be observed in, for example, the c2s module.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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): High
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)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
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)
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)
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-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-18265

Source: MISC
Type: Issue Tracking, Mailing List
https://bugs.debian.org/875829

Source: XF
Type: UNKNOWN
prosody-cve201718265-dos(143072)

Source: MISC
Type: Patch
https://hg.prosody.im/0.9/rev/176b7f4e4ac9

Source: MISC
Type: Patch
https://hg.prosody.im/0.9/rev/adfffc5b4e2a

Source: CCN
Type: Prosody Web site
987 prosody 0.9.12 crashes since upgrade to debian 9 (stretch)

Source: MISC
Type: Vendor Advisory
https://prosody.im/issues/issue/987

Source: DEBIAN
Type: Technical Description
DSA-4198

Vulnerable Configuration:Configuration 1:
  • cpe:/a:prosody:prosody:*:*:*:*:*:*:*:* (Version < 0.10.0)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:prosody:prosody:0.9.12:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017182650000000
    V
    		CVE-2017-18265 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-09
    oval:com.ubuntu.artful:def:201718265000
    V
    		CVE-2017-18265 on Ubuntu 17.10 (artful) - medium.
    2018-05-09
    oval:com.ubuntu.xenial:def:201718265000
    V
    		CVE-2017-18265 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-09
    oval:com.ubuntu.bionic:def:201718265000
    V
    		CVE-2017-18265 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-09
    oval:com.ubuntu.cosmic:def:2017182650000000
    V
    		CVE-2017-18265 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-09
    oval:com.ubuntu.cosmic:def:201718265000
    V
    		CVE-2017-18265 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-09
    oval:com.ubuntu.bionic:def:2017182650000000
    V
    		CVE-2017-18265 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-09
    oval:com.ubuntu.trusty:def:201718265000
    V
    		CVE-2017-18265 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-05-09
    BACK
    prosody prosody *
    debian debian linux 9.0
    prosody prosody 0.9.12