Vulnerability Name:

CVE-2017-18550 (CCN-169649)

Assigned:2017-06-26
Published:2017-06-26
Updated:2019-08-23
Summary:An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_get_hba_info does not initialize the hbainfo structure.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-18550

Source: CCN
Type: The Linux Kernel Archives Web site
The Linux Kernel Archives

Source: XF
Type: UNKNOWN
linux-kernel-cve201718550-info-disc(169649)

Source: MISC
Type: Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342ffc26693b528648bdc9377e51e4f2450b4860

Source: CCN
Type: Linux GitHub repository
scsi: aacraid: Don't copy uninitialized stack memory to userspace

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 4.13)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.12.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.3:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.4:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.9:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.10:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.8:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.5:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.6:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.7:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.11:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.12:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.13:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12.14:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2017185500000000
    V
    		CVE-2017-18550 on Ubuntu 19.04 (disco) - low.
    2019-08-19
    oval:com.ubuntu.bionic:def:2017185500000000
    V
    		CVE-2017-18550 on Ubuntu 18.04 LTS (bionic) - low.
    2019-08-19
    oval:com.ubuntu.xenial:def:2017185500000000
    V
    		CVE-2017-18550 on Ubuntu 16.04 LTS (xenial) - low.
    2019-08-19
    BACK
    linux linux kernel *
    linux linux kernel 4.12.2
    linux linux kernel 4.12
    linux linux kernel 4.12.3
    linux linux kernel 4.12.4
    linux linux kernel 4.12.9
    linux linux kernel 4.12.10
    linux linux kernel 4.12.8
    linux linux kernel 4.12.1
    linux linux kernel 4.12.5
    linux linux kernel 4.12.6
    linux linux kernel 4.12.7
    linux linux kernel 4.12.11
    linux linux kernel 4.12.12
    linux linux kernel 4.12.13
    linux linux kernel 4.12.14