Vulnerability Name:

CVE-2018-14055 (CCN-146574)

Assigned:2018-07-14
Published:2018-07-14
Updated:2019-10-03
Summary:ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-14055

Source: XF
Type: UNKNOWN
znc-cve201814055-priv-esc(146574)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e

Source: CCN
Type: ZNC GIT Repository
Better cleanup lines coming from network.

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d

Source: GENTOO
Type: Third Party Advisory
GLSA-201807-03

Source: DEBIAN
Type: Third Party Advisory
DSA-4252

Vulnerable Configuration:Configuration 1:
  • cpe:/a:znc:znc:*:*:*:*:*:*:*:* (Version <= 1.7.0)

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

    • Configuration CCN 1:
  • cpe:/a:znc:znc:1.7.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201814055
    V
    		CVE-2018-14055
    2022-06-30
    oval:org.opensuse.security:def:113626
    P
    		znc-1.8.2-1.11 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:107008
    P
    		znc-1.8.2-1.11 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:25602
    P
    		Security update for java-1_7_1-ibm (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25028
    P
    		Security update for djvulibre (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25801
    P
    		Security update for libvdpau (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25311
    P
    		Security update for shim (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25655
    P
    		Security update for spice (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25039
    P
    		Security update for binutils (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26439
    P
    		Security update for MozillaThunderbird (Important)
    2020-12-01
    oval:org.opensuse.security:def:25368
    P
    		Security update for libX11 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25743
    P
    		Security update for libssh (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25103
    P
    		Security update for java-1_7_0-openjdk (Important)
    2020-12-01
    oval:org.opensuse.security:def:26474
    P
    		Security update for znc (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25452
    P
    		Security update for libssh2_org (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25757
    P
    		Security update for flash-player (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25230
    P
    		Security update for MozillaFirefox (Important)
    2020-12-01
    oval:com.ubuntu.bionic:def:2018140550000000
    V
    		CVE-2018-14055 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-07-15
    oval:com.ubuntu.xenial:def:2018140550000000
    V
    		CVE-2018-14055 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-07-15
    oval:com.ubuntu.artful:def:201814055000
    V
    		CVE-2018-14055 on Ubuntu 17.10 (artful) - medium.
    2018-07-14
    oval:com.ubuntu.bionic:def:201814055000
    V
    		CVE-2018-14055 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-07-14
    oval:com.ubuntu.trusty:def:201814055000
    V
    		CVE-2018-14055 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-07-14
    oval:com.ubuntu.xenial:def:201814055000
    V
    		CVE-2018-14055 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-07-14
    BACK
    znc znc *
    debian debian linux 9.0
    znc znc 1.7.0