Vulnerability CVE-2018-10243

Vulnerability Name:

CVE-2018-10243 (CCN-163339)

Assigned:

2018-04-20

Published:

2019-04-04

Updated:

2019-04-08

Summary:

htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High Integrity (I): High Availibility (A): High

6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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): Low Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

7.5 High (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 Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-10243

Source: XF
Type: UNKNOWN
suricata-cve201810243-dos(163339)

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20190408 [SECURITY] [DLA 1751-1] suricata security update

Source: CCN
Type: Suricata Web site
Suricata 4.0.5 available!

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/

Vulnerable Configuration:

Configuration 1:

cpe:/a:oisf:libhtp:0.5.26:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:2018102430000000	V	CVE-2018-10243 on Ubuntu 19.04 (disco) - medium.	2019-04-04
oval:com.ubuntu.bionic:def:201810243000	V	CVE-2018-10243 on Ubuntu 18.04 LTS (bionic) - medium.	2019-04-04
oval:com.ubuntu.cosmic:def:2018102430000000	V	CVE-2018-10243 on Ubuntu 18.10 (cosmic) - medium.	2019-04-04
oval:com.ubuntu.cosmic:def:201810243000	V	CVE-2018-10243 on Ubuntu 18.10 (cosmic) - medium.	2019-04-04
oval:com.ubuntu.bionic:def:2018102430000000	V	CVE-2018-10243 on Ubuntu 18.04 LTS (bionic) - medium.	2019-04-04
oval:com.ubuntu.trusty:def:201810243000	V	CVE-2018-10243 on Ubuntu 14.04 LTS (trusty) - medium.	2019-04-04
oval:com.ubuntu.xenial:def:2018102430000000	V	CVE-2018-10243 on Ubuntu 16.04 LTS (xenial) - medium.	2019-04-04
oval:com.ubuntu.xenial:def:201810243000	V	CVE-2018-10243 on Ubuntu 16.04 LTS (xenial) - medium.	2019-04-04

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