Security Bulletin: Multiple vulnerabilities with the open source Perl Compatible Regular Expression (PCRE) libraries used in IBM Aspera Shares Application

Security Bulletin

Summary

There are multiple vulnerabilities with PCRE's earlier versions which was used by IBM Aspera Shares Application.

Vulnerability Details

CVEID: CVE-2015-8380
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of a pattern with a \01 string by the pcre_exec function. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108467 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8381
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of patterns with certain group references by the compile_regex function. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108466 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8382
DESCRIPTION: PCRE could allow a remote attacker to obtain sensitive information, caused by the mishandling of the pattern and related patterns involving (*ACCEPT) by the match function. An attacker could exploit this vulnerability using a specially crafted regular expression to obtain sensitive information or cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108465 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

CVEID: CVE-2015-8383
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of certain repeated conditional groups. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108464 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8384
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of pattern and related patterns with certain recursive back references. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108463 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8385
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of pattern and related patterns with certain forward references. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108462 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8386
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of the interaction of lookbehind assertions and mutually recursive subpatterns. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108461 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8387
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow when subroutine calls are mishandled. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108460 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8388
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling ofpattern and related patterns with an unmatched closing parenthesis. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108459 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8389
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by the mishandling of patterns. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108458 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8390
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by the mishandling of substrings in character classes. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108457 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8391
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by the mishandling of certain nesting by the pcre_compile function. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108456 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8392
DESCRIPTION: PCRE is vulnerable to a heap-based buffer overflow, caused by the improper handling of certain instances of the (?| substring. By using a specially crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108455 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8393
DESCRIPTION: PCRE could allow a remote attacker to obtain sensitive information, caused by the mishandling of the -q option for binary files by pcregrep. An attacker could exploit this vulnerability using a specially crafted file to obtain sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108454 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2015-8394
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by the mishandling of digits. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108453 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8395
DESCRIPTION: PCRE could allow a remote attacker to execute arbitrary code on the system, caused by the mishandling of certain references. An attacker could exploit this vulnerability using a specially crafted regular expression to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108452 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM Aspera Shares Application 1.9.2 or earlier

Remediation/Fixes

Upgrade to IBM Aspera Shares Application 1.9.4 or later for Linux, and 1.9.6 or later for windows from here: (http://downloads.asperasoft.com/en/downloads/34).

For unsupported versions of IBM Aspera Shares Application, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide

On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

30 September, 2016: Original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

 

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