SB2016121379 - Heap-based buffer overflow in PCRE

Description

This security bulletin contains information about 1 vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2015-3210)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10. A remote attacker can use a crafted regular expression to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• http://rhn.redhat.com/errata/RHSA-2016-2750.html
• http://www.openwall.com/lists/oss-security/2015/06/01/7
• http://www.openwall.com/lists/oss-security/2015/12/02/11
• http://www.securityfocus.com/bid/74934
• https://access.redhat.com/errata/RHSA-2016:1132
• https://bugs.exim.org/show_bug.cgi?id=1636