Vulnerability Name:

CVE-2017-15602 (CCN-133666)

Assigned:2017-10-13
Published:2017-10-13
Updated:2019-10-03
Summary:In GNU Libextractor 1.4, there is an integer signedness error for the chunk size in the EXTRACTOR_nsfe_extract_method function in plugins/nsfe_extractor.c, leading to an infinite loop for a crafted size.
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
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
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): 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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-15602

Source: CCN
Type: GNU Web site
An infinite loop in nsfe_extractor.c caused by negati

Source: MISC
Type: Exploit, Mailing List, Third Party Advisory
http://lists.gnu.org/archive/html/bug-libextractor/2017-10/msg00005.html

Source: XF
Type: UNKNOWN
libextractor-cve201715602-dos(133666)

Source: MISC
Type: Product
https://ftp.gnu.org/gnu/libextractor/libextractor-1.6.tar.gz

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20171204 [SECURITY] [DLA 1198-1] libextractor security update

Source: CCN
Type: GNU Libextractor Web site
Libextractor - GNU Project - Free Software Foundation - GNU.org

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:libextractor:1.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:gnu:libextractor:1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017156020000000
    V
    		CVE-2017-15602 on Ubuntu 16.04 LTS (xenial) - low.
    2017-10-18
    oval:com.ubuntu.artful:def:201715602000
    V
    		CVE-2017-15602 on Ubuntu 17.10 (artful) - untriaged.
    2017-10-18
    oval:com.ubuntu.xenial:def:201715602000
    V
    		CVE-2017-15602 on Ubuntu 16.04 LTS (xenial) - low.
    2017-10-18
    oval:com.ubuntu.disco:def:2017156020000000
    V
    		CVE-2017-15602 on Ubuntu 19.04 (disco) - low.
    2017-10-18
    oval:com.ubuntu.bionic:def:201715602000
    V
    		CVE-2017-15602 on Ubuntu 18.04 LTS (bionic) - low.
    2017-10-18
    oval:com.ubuntu.cosmic:def:2017156020000000
    V
    		CVE-2017-15602 on Ubuntu 18.10 (cosmic) - low.
    2017-10-18
    oval:com.ubuntu.cosmic:def:201715602000
    V
    		CVE-2017-15602 on Ubuntu 18.10 (cosmic) - low.
    2017-10-18
    oval:com.ubuntu.bionic:def:2017156020000000
    V
    		CVE-2017-15602 on Ubuntu 18.04 LTS (bionic) - low.
    2017-10-18
    oval:com.ubuntu.trusty:def:201715602000
    V
    		CVE-2017-15602 on Ubuntu 14.04 LTS (trusty) - low.
    2017-10-18
    BACK
    gnu libextractor 1.4
    gnu libextractor 1.4