Vulnerability Name:

CVE-2019-7732 (CCN-156914)

Assigned:2019-02-10
Published:2019-02-10
Updated:2020-08-24
Summary:In Live555 0.95, a setup packet can cause a memory leak leading to DoS because, when there are multiple instances of a single field (username, realm, nonce, uri, or response), only the last instance can ever be freed.
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)
6.6 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:U/RC:R)
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)
4.7 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:U/RC:R)
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-401
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-7732

Source: XF
Type: UNKNOWN
live555-cve20197732-dos(156914)

Source: CCN
Type: LIVE555 GIT Repository
There is a memory leak in function parseAuthorizationHeader, which can cause a DoS #20

Source: MISC
Type: Third Party Advisory
https://github.com/rgaufman/live555/issues/20

Vulnerable Configuration:Configuration 1:
  • cpe:/a:live555:streaming_media:0.95:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201977320000000
    V
    		CVE-2019-7732 on Ubuntu 19.04 (disco) - low.
    2019-02-11
    oval:com.ubuntu.bionic:def:20197732000
    V
    		CVE-2019-7732 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-11
    oval:com.ubuntu.cosmic:def:201977320000000
    V
    		CVE-2019-7732 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-11
    oval:com.ubuntu.cosmic:def:20197732000
    V
    		CVE-2019-7732 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-11
    oval:com.ubuntu.bionic:def:201977320000000
    V
    		CVE-2019-7732 on Ubuntu 18.04 LTS (bionic) - low.
    2019-02-11
    oval:com.ubuntu.trusty:def:20197732000
    V
    		CVE-2019-7732 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-02-11
    oval:com.ubuntu.xenial:def:201977320000000
    V
    		CVE-2019-7732 on Ubuntu 16.04 LTS (xenial) - low.
    2019-02-11
    oval:com.ubuntu.xenial:def:20197732000
    V
    		CVE-2019-7732 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-02-11
    BACK
    live555 streaming media 0.95