Vulnerability Name:

CVE-2019-18807 (CCN-171180)

Assigned:2019-09-29
Published:2019-09-29
Updated:2020-08-24
Summary:Two memory leaks in the sja1105_static_config_upload() function in drivers/net/dsa/sja1105/sja1105_spi.c in the Linux kernel before 5.3.5 allow attackers to cause a denial of service (memory consumption) by triggering static_config_buf_prepare_for_upload() or sja1105_inhibit_tx() failures, aka CID-68501df92d11.
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
7.5 High (CCN 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 (CCN 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
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-401
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-18807

Source: MISC
Type: Mailing List, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5

Source: XF
Type: UNKNOWN
linux-kernel-cve201918807-dos(171180)

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=68501df92d116b760777a2cfda314789f926476f

Source: CCN
Type: Linux Kernel GIT Repository
net: dsa: sja1105: Prevent leaking memory

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20191205-0001/

Source: CCN
Type: IBM Security Bulletin 3177579 (Spectrum Protect Plus)
Multiple vulnerabilities in Linux Kernel affect IBM Spectrum Protect Plus

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-18807

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 5.3.5)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.3.4:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:spectrum_protect_plus:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:spectrum_protect_plus:10.1.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2019188070000000
    V
    		CVE-2019-18807 on Ubuntu 19.04 (disco) - low.
    2019-11-07
    oval:com.ubuntu.bionic:def:2019188070000000
    V
    		CVE-2019-18807 on Ubuntu 18.04 LTS (bionic) - low.
    2019-11-07
    oval:com.ubuntu.xenial:def:2019188070000000
    V
    		CVE-2019-18807 on Ubuntu 16.04 LTS (xenial) - low.
    2019-11-07
    BACK
    linux linux kernel *
    linux linux kernel 5.3.4
    ibm spectrum protect plus 10.1.0
    ibm spectrum protect plus 10.1.5