GNU sharutils 4.2/4.2.1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in GNU sharutils 4.2/4.2.1. Affected is an unknown function. The manipulation results in memory corruption. This vulnerability is known as CVE-2004-1773. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in GNU sharutils 4.2/4.2.1. Affected is an unknown function. The manipulation 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. CVE summarizes:

Multiple buffer overflows in sharutils 4.2.1 and earlier may allow attackers to execute arbitrary code via (1) long output from wc to shar, or (2) unknown vectors in unshar.

The bug was discovered 04/06/2004. The weakness was published 12/31/2004 by Ulf Harnhammar as Bug 2155 as not defined bug report (Bugzilla). The advisory is available at bugzilla.fedora.us. This vulnerability is traded as CVE-2004-1773 since 03/29/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 269 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 15503 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117969 (CentOS Security Update for sharutils (CESA-2005:377)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (22635), Tenable (15503), SecurityFocus (BID 11298†), OSVDB (15375†) and Vulnerability Center (SBV-7557†). Similar entries are available at VDB-24771 and VDB-22889. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15503
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 52350
OpenVAS Name: FreeBSD Ports: sharutils
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/06/2004 🔍
10/01/2004 +178 days 🔍
10/01/2004 +0 days 🔍
12/31/2004 +91 days 🔍
12/31/2004 +0 days 🔍
03/29/2005 +88 days 🔍
04/12/2005 +14 days 🔍
04/14/2015 +3654 days 🔍
06/30/2021 +2269 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 2155
Researcher: Ulf Harnhammar
Status: Not defined

CVE: CVE-2004-1773 (🔍)
GCVE (CVE): GCVE-0-2004-1773
GCVE (VulDB): GCVE-100-22890

OVAL: 🔍

X-Force: 22635
SecurityFocus: 11298 - GNU Sharutils Multiple Buffer Overflow Vulnerabilities
OSVDB: 15375 - sharutils shar utility buffer overflow
Vulnerability Center: 7557 - Multiple Buffer Overflows in Sharutils 4.2.1, Medium

See also: 🔍

Entryinfo

Created: 04/14/2015 13:32
Updated: 06/30/2021 19:11
Changes: 04/14/2015 13:32 (70), 05/31/2019 11:54 (3), 06/30/2021 19:11 (3)
Complete: 🔍
Cache ID: 216:3A0:103

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