VDB-13953 · CVE-1999-0971 · EDB 20333

University of Cambridge Exim 1.62 Forward File include memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in University of Cambridge Exim 1.62. Impacted is an unknown function of the component Forward File Handler. Performing a manipulation of the argument include results in memory corruption. This vulnerability was named CVE-1999-0971. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in University of Cambridge Exim 1.62 (Mail Server Software). This affects some unknown functionality of the component Forward File Handler. The manipulation of the argument include with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

buffer overflow in exim allows local users to gain root privileges via a long :include: option in a .forward file.

The weakness was presented 07/22/1997 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-1999-0971. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download 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 (20333). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Mail Server Software

Vendor

University of Cambridge

Name

Exim

Version

1.62

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/22/1997 🔍
07/22/1997 +0 days 🔍
06/18/2014 +6175 days 🔍
01/05/2025 +3854 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-1999-0971 (🔍)
GCVE (CVE): GCVE-0-1999-0971
GCVE (VulDB): GCVE-100-13953
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/18/2014 15:49
Updated: 01/05/2025 17:19
Changes: 06/18/2014 15:49 (43), 05/19/2018 09:50 (6), 01/05/2025 17:19 (27)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.