Vulnerability Name:

CVE-2018-11383 (CCN-143704)

Assigned:2018-04-16
Published:2018-04-16
Updated:2020-08-24
Summary:The r_strbuf_fini() function in radare2 2.5.0 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted ELF file because of an uninitialized variable in the CPSE handler in libr/anal/p/anal_avr.c.
CVSS v3 Severity:5.5 Medium (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 (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
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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
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-908
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-11383

Source: XF
Type: UNKNOWN
radare2-cve201811383-dos(143704)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/radare/radare2/commit/9d348bcc2c4bbd3805e7eec97b594be9febbdf9a

Source: CCN
Type: radare2 GIT Repository
Invalid free in r_strbuf_fini() #9943

Source: MISC
Type: Third Party Advisory
https://github.com/radare/radare2/issues/9943

Vulnerable Configuration:Configuration 1:
  • cpe:/a:radare:radare2:2.5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2018113830000000
    V
    		CVE-2018-11383 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-22
    oval:com.ubuntu.artful:def:201811383000
    V
    		CVE-2018-11383 on Ubuntu 17.10 (artful) - medium.
    2018-05-22
    oval:com.ubuntu.xenial:def:201811383000
    V
    		CVE-2018-11383 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-22
    oval:com.ubuntu.disco:def:2018113830000000
    V
    		CVE-2018-11383 on Ubuntu 19.04 (disco) - medium.
    2018-05-22
    oval:com.ubuntu.bionic:def:201811383000
    V
    		CVE-2018-11383 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-22
    oval:com.ubuntu.cosmic:def:2018113830000000
    V
    		CVE-2018-11383 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-22
    oval:com.ubuntu.cosmic:def:201811383000
    V
    		CVE-2018-11383 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-22
    oval:com.ubuntu.bionic:def:2018113830000000
    V
    		CVE-2018-11383 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-22
    oval:com.ubuntu.trusty:def:201811383000
    V
    		CVE-2018-11383 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-05-22
    BACK
    radare radare2 2.5.0