Elm 2.5 Pl5/2.5 Pl6/2.5 Pl7 expires.c stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Elm 2.5 Pl5/2.5 Pl6/2.5 Pl7. Affected is an unknown function of the file expires.c. The manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2005-2665. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Elm 2.5 Pl5/2.5 Pl6/2.5 Pl7. It has been classified as critical. Affected is an unknown function of the file expires.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in expires.c in Elm 2.5 PL5 through PL7, and possibly other versions, allows remote attackers to execute arbitrary code via an e-mail message with a long Expires header.

The bug was discovered 08/20/2005. The weakness was shared 08/20/2005 by Ulf Harnhammar (Website). The advisory is shared for download at securitytracker.com. This vulnerability is traded as CVE-2005-2665 since 08/23/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

After 2 days, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 19544 (RHEL 2.1 : elm (RHSA-2005:755)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117874 (CentOS Security Update for Elm (CESA-2005:755)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (21968), Exploit-DB (1171), Tenable (19544), SecurityFocus (BID 15117†) and OSVDB (18914†). The entry VDB-1815 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 19544
Nessus Name: RHEL 2.1 : elm (RHSA-2005:755)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

08/20/2005 🔍
08/20/2005 +0 days 🔍
08/20/2005 +0 days 🔍
08/22/2005 +1 days 🔍
08/22/2005 +0 days 🔍
08/22/2005 +0 days 🔍
08/23/2005 +0 days 🔍
08/23/2005 +0 days 🔍
08/23/2005 +0 days 🔍
08/30/2005 +7 days 🔍
09/05/2005 +6 days 🔍
10/17/2005 +42 days 🔍
03/11/2015 +3432 days 🔍
06/30/2025 +3763 days 🔍

Sourcesinfo

Advisory: securitytracker.com⛔
Researcher: Ulf Harnhammar
Status: Confirmed

CVE: CVE-2005-2665 (🔍)
GCVE (CVE): GCVE-0-2005-2665
GCVE (VulDB): GCVE-100-26124
X-Force: 21968
SecurityFocus: 15117 - Lynx NNTP Article Header Buffer Overflow Vulnerability
Secunia: 16508
OSVDB: 18914 - ELM Expires Header Parsing Overflow
SecurityTracker: 1014745
Vulnerability Center: 9065 - Electronic Mail for Unix (ELM) Buffer Overflow via Email with Long Expires Header, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/30/2025 00:16
Changes: 03/11/2015 23:39 (78), 06/08/2019 18:53 (8), 01/02/2025 02:18 (16), 06/30/2025 00:16 (2)
Complete: 🔍
Cache ID: 216:FF5:103

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