Vulnerability CVE-2018-12934

Vulnerability Name:

CVE-2018-12934 (CCN-145559)

Assigned:

2018-04-13

Published:

2018-04-13

Updated:

2020-04-21

Summary:

remember_Ktype in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30, allows attackers to trigger excessive memory consumption (aka OOM). This can occur during execution of cxxfilt.

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-770

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-12934

Source: MISC
Type: Issue Tracking
https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1763101

Source: XF
Type: UNKNOWN
gnu-binutils-cve201812934-dos(145559)

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85453

Source: CCN
Type: Sourceware Bugzilla Bug 23059
OOM-Bug in cxxfilt

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23059

Source: UBUNTU
Type: UNKNOWN
USN-4326-1

Source: UBUNTU
Type: UNKNOWN
USN-4336-1

Source: CCN
Type: GNU Web site
Binutils

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-12934

Vulnerable Configuration:

Configuration 1:

cpe:/a:gnu:binutils:2.30:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:gnu:libiberty:-:*:*:*:*:*:*:*

OR cpe:/a:gnu:binutils:2.30:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2018129340000000	V	CVE-2018-12934 on Ubuntu 16.04 LTS (xenial) - low.	2018-06-28
oval:com.ubuntu.artful:def:201812934000	V	CVE-2018-12934 on Ubuntu 17.10 (artful) - low.	2018-06-28
oval:com.ubuntu.xenial:def:201812934000	V	CVE-2018-12934 on Ubuntu 16.04 LTS (xenial) - low.	2018-06-28
oval:com.ubuntu.disco:def:2018129340000000	V	CVE-2018-12934 on Ubuntu 19.04 (disco) - low.	2018-06-28
oval:com.ubuntu.bionic:def:201812934000	V	CVE-2018-12934 on Ubuntu 18.04 LTS (bionic) - low.	2018-06-28
oval:com.ubuntu.cosmic:def:2018129340000000	V	CVE-2018-12934 on Ubuntu 18.10 (cosmic) - low.	2018-06-28
oval:com.ubuntu.cosmic:def:201812934000	V	CVE-2018-12934 on Ubuntu 18.10 (cosmic) - low.	2018-06-28
oval:com.ubuntu.bionic:def:2018129340000000	V	CVE-2018-12934 on Ubuntu 18.04 LTS (bionic) - low.	2018-06-28
oval:com.ubuntu.trusty:def:201812934000	V	CVE-2018-12934 on Ubuntu 14.04 LTS (trusty) - low.	2018-06-28

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