Stack-based buffer overflow in op before Changeset 563, when xauth support is enabled, allows local users to gain privileges via a long XAUTHORITY environment variable.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/43836 | vdb entry |
| http://www.securityfocus.com/bid/30226 | vdb entry |
| http://swapoff.org/changeset/563 | exploit |
| http://secunia.com/advisories/31103 | third party advisory |
| http://www.openwall.com/lists/oss-security/2008/07/12/4 | mailing list |