Easy Software Products CUPS up to 1.1.17 HTTP Request memcpy Content-Length/Chunked-Transfer-Encoding memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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6.6 | $0-$5k | 0.00 |
A vulnerability was found in Easy Software Products CUPS up to 1.1.17 (Printing Software) and classified as critical. This issue affects the function memcpy
of the component HTTP Request Handler. The manipulation of the argument Content-Length/Chunked-Transfer-Encoding
with the input value -1
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. The summary by CVE is:
Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by causing negative arguments to be fed into memcpy() calls via HTTP requests with (1) a negative Content-Length value or (2) a negative length in a chunked transfer encoding.
The weakness was published 12/26/2002 by zen-parse (Website). The advisory is shared at xforce.iss.net. The identification of this vulnerability is CVE-2002-1368. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.
A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 11199 (CUPS < 1.1.18 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38160 (Multiple CUPS Vulnerabilities).
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (10909) and Tenable (11199). Similar entries are available at 19264, 19266, 19267 and 19268.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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Nessus ID: 11199
Nessus Name: CUPS < 1.1.18 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53586
OpenVAS Name: Debian Security Advisory DSA 232-1 (cupsys)
OpenVAS File: 🔍
OpenVAS Family: 🔍
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Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/12/2002 🔍12/19/2002 🔍
12/20/2002 🔍
12/26/2002 🔍
12/26/2002 🔍
12/26/2002 🔍
01/18/2003 🔍
09/01/2003 🔍
07/31/2014 🔍
05/12/2019 🔍
Sources
Advisory: xforce.iss.netResearcher: zen-parse
Status: Not defined
CVE: CVE-2002-1368 (🔍)
X-Force: 10909
Vulnerability Center: 1844 - Common Unix Printing System Allows DoS, Critical
SecurityFocus: 6437 - CUPS Negative Length HTTP Header Vulnerability
Secunia: 7756 - CUPS multiple vulnerabilities, Moderately Critical
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/31/2014 21:59Updated: 05/12/2019 07:17
Changes: 07/31/2014 21:59 (75), 05/12/2019 07:17 (10)
Complete: 🔍
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