A vulnerability was found in ELM 2.3/2.4 and classified as problematic. Affected by this issue is an unknown code. The manipulation of the argument TERM as part of a Environment Variable leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

buffer overflow in elm 2.4 and earlier allows local users to gain privileges via a long term environmental variable.

The weakness was disclosed 05/13/1997 as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-1999-1184. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (22836). marc.theaimsgroup.com is providing further details.

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• ELM

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• 2.3
• 2.4

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CPE 2.2info

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