Vulnerability Name:

CVE-2020-10705 (CCN-183564)

Assigned:2020-02-14
Published:2020-02-14
Updated:2022-02-22
Summary:A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.
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)
7.2 High (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:H/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)
5.1 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:H/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-770
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-10705

Source: CCN
Type: Red Hat Bugzilla – Bug 1803241
(CVE-2020-10705) - CVE-2020-10705 undertow: Memory exhaustion issue in HttpReadListener via "Expect: 100-continue" header

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1803241

Source: XF
Type: UNKNOWN
undertow-cve202010705-dos(183564)

Source: CCN
Type: Undertow GIT Repository
Undertow

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20220210-0014/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:undertow:*:*:*:*:*:*:*:* (Version < 2.1.1)

  • Configuration 2:
  • cpe:/a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:*
  • OR cpe:/a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:*

  • Configuration 4:
  • cpe:/a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:redhat:undertow:1.3.27:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:undertow:1.4.16:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:undertow:1.3.30:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:undertow:2.0.21:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:undertow:2.0.22:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    redhat undertow *
    netapp oncommand insight -
    redhat jboss enterprise application platform -
    redhat openshift application runtimes -
    redhat jboss enterprise application platform 7.2
    redhat enterprise linux 8.0
    redhat jboss enterprise application platform 7.2
    redhat enterprise linux 7.0
    redhat jboss enterprise application platform 7.2
    redhat enterprise linux 6.0
    redhat undertow 1.3.27
    redhat undertow 1.4.16
    redhat undertow 1.3.30
    redhat undertow 2.0.21
    redhat undertow 2.0.22