Vulnerability CVE-2013-0927 - CERT Civis.Net

Vulnerability Name:

CVE-2013-0927 (CCN-83295)

Assigned:

2013-04-08

Published:

2013-04-08

Updated:

2013-04-11

Summary:

Google Chrome OS before 26.0.1410.57 relies on a Pango pango-utils.c read_config implementation that loads the contents of the .pangorc file in the user's home directory, and the file referenced by the PANGO_RC_FILE environment variable, which allows attackers to bypass intended access restrictions via crafted configuration data.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

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): Low Availibility (A): None

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.5 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

Vulnerability Consequences:

Unknown

References:

Source: MITRE
Type: CNA
CVE-2013-0927

Source: CONFIRM
Type: Patch
http://git.chromium.org/gitweb/?p=chromiumos/overlays/chromiumos-overlay.git;a=commit;h=fb5a664def6cd34bf7295489ea73e1d989bdd6d0

Source: CCN
Type: Google Chrome Releases Web site
Chrome OS Stable Channel Update

Source: CONFIRM
Type: Vendor Advisory
http://googlechromereleases.blogspot.com/2013/04/chrome-os-stable-channel-update.html

Source: CCN
Type: BID-58942
Google Chrome OS Prior to 26.0.1410.57 CVE-2013-0927 Unspecified Security Vulnerability

Source: CONFIRM
Type: UNKNOWN
https://code.google.com/p/chromium/issues/detail?id=189250

Source: XF
Type: UNKNOWN
google-chromeos-cve20130927-unspec(83295)

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:chrome_os:26.0.1410.0:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.1:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.3:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.4:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.5:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.6:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.7:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.8:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.9:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.10:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.11:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.12:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.14:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.15:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.16:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.17:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.18:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.19:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.20:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.21:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.22:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.23:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.24:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.25:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.26:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.27:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.28:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.29:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.30:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.31:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.32:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.33:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.34:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.35:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.36:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.37:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.38:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.39:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.40:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.41:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.42:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.43:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.44:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.45:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.46:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.47:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.48:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.49:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.50:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.51:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.52:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.54:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:26.0.1410.55:*:*:*:*:*:*:*

OR cpe:/o:google:chrome_os:*:*:*:*:*:*:*:* (Version <= 26.0.1410.56)

Configuration CCN 1:

cpe:/o:google:chrome_os:26.0.1410.0:*:*:*:*:*:*:*

Denotes that component is vulnerable