Vulnerability Name:

CVE-2017-2896 (CCN-134928)

Assigned:2016-12-01
Published:2017-11-15
Updated:2022-06-03
Summary:An exploitable out-of-bounds write vulnerability exists in the xls_mergedCells function of libxls 1.4. . A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
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)
6.9 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: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): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.9 Medium (CCN 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: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): High
Integrity (I): High
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
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-2896

Source: CCN
Type: libxls Web site
libxls

Source: XF
Type: UNKNOWN
libxls-cve20172896-code-exec(134928)

Source: GENTOO
Type: Third Party Advisory
GLSA-202003-64

Source: DEBIAN
Type: Third Party Advisory
DSA-4173

Source: CCN
Type: Talos Vulnerability Report TALOS-2017-0403
libxls xls_mergedCells Code Execution Vulnerability

Source: MISC
Type: Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0403

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-2896

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libxls_project:libxls:1.4:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libxls_project:libxls:1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201728960000000
    V
    		CVE-2017-2896 on Ubuntu 19.04 (disco) - medium.
    2017-11-20
    oval:com.ubuntu.artful:def:20172896000
    V
    		CVE-2017-2896 on Ubuntu 17.10 (artful) - medium.
    2017-11-20
    oval:com.ubuntu.cosmic:def:201728960000000
    V
    		CVE-2017-2896 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-20
    oval:com.ubuntu.bionic:def:20172896000
    V
    		CVE-2017-2896 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-20
    oval:com.ubuntu.bionic:def:201728960000000
    V
    		CVE-2017-2896 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-20
    oval:com.ubuntu.cosmic:def:20172896000
    V
    		CVE-2017-2896 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-20
    oval:com.ubuntu.xenial:def:201728960000000
    V
    		CVE-2017-2896 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-20
    oval:com.ubuntu.xenial:def:20172896000
    V
    		CVE-2017-2896 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-20
    BACK
    libxls_project libxls 1.4
    debian debian linux 10.0
    libxls_project libxls 1.4