Vulnerability Name:

CVE-2017-9949 (CCN-127717)

Assigned:2017-06-05
Published:2017-06-05
Updated:2019-10-03
Summary:The grub_memmove function in shlr/grub/kern/misc.c in radare2 1.5.0 allows remote attackers to cause a denial of service (stack-based buffer underflow and application crash) or possibly have unspecified other impact via a crafted binary file, possibly related to a buffer underflow in fs/ext2.c in GNU GRUB 2.02.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-9949

Source: BID
Type: Third Party Advisory, VDB Entry
99305

Source: CCN
Type: BID-99305
radare2 'shlr/grub/kern/misc.c' Remote Denial Of Service Vulnerability

Source: XF
Type: UNKNOWN
radare2-cve20179949-dos(127717)

Source: CCN
Type: radare2 GIT Repository
Fix ext2 buffer overflow in r2_sbu_grub_memmove

Source: CONFIRM
Type: Third Party Advisory
https://github.com/radare/radare2/commit/796dd28aaa6b9fa76d99c42c4d5ff8b257cc2191

Source: CONFIRM
Type: Third Party Advisory
https://github.com/radare/radare2/issues/7683

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-9949

Vulnerable Configuration:Configuration 1:
  • cpe:/a:radare:radare2:1.5.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:radare:radare2:1.5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201799490000000
    V
    		CVE-2017-9949 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-06-26
    oval:com.ubuntu.artful:def:20179949000
    V
    		CVE-2017-9949 on Ubuntu 17.10 (artful) - medium.
    2017-06-26
    oval:com.ubuntu.xenial:def:20179949000
    V
    		CVE-2017-9949 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-06-26
    oval:com.ubuntu.disco:def:201799490000000
    V
    		CVE-2017-9949 on Ubuntu 19.04 (disco) - medium.
    2017-06-26
    oval:com.ubuntu.bionic:def:20179949000
    V
    		CVE-2017-9949 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-06-26
    oval:com.ubuntu.cosmic:def:201799490000000
    V
    		CVE-2017-9949 on Ubuntu 18.10 (cosmic) - medium.
    2017-06-26
    oval:com.ubuntu.cosmic:def:20179949000
    V
    		CVE-2017-9949 on Ubuntu 18.10 (cosmic) - medium.
    2017-06-26
    oval:com.ubuntu.bionic:def:201799490000000
    V
    		CVE-2017-9949 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-06-26
    oval:com.ubuntu.trusty:def:20179949000
    V
    		CVE-2017-9949 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-06-26
    BACK
    radare radare2 1.5.0
    radare radare2 1.5.0