SB2013120313 - Heap-based buffer overflow in ruby (Alpine package)

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2013-4164)

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 Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1 before 2.1.0 preview2, and trunk before revision 43780. A remote attacker can use a string that is converted to a floating point value 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

• https://git.alpinelinux.org/aports/commit/?id=679810634a9c18b619329faf0b4ffcd21685712f
• https://git.alpinelinux.org/aports/commit/?id=b6361c2673c2ca9129a2e13c4f5733373fa54375
• https://git.alpinelinux.org/aports/commit/?id=9f092336584204f55aae9b269d12d2579647e0f5
• https://git.alpinelinux.org/aports/commit/?id=84bc00a876b34d79953014d30291c32d31a406f2