haxx.se cURL 7.26.0/7.27.0/7.28.0/7.28.1 lib/curl_sasl.c Curl_sasl_create_digest_md5_message memory corruption

CVSS Meta Temp Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in haxx.se cURL 7.26.0/7.27.0/7.28.0/7.28.1. It has been classified as critical. This impacts the function Curl_sasl_create_digest_md5_message of the file lib/curl_sasl.c. This manipulation causes memory corruption. This vulnerability is handled as CVE-2013-0249. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in haxx.se cURL 7.26.0/7.27.0/7.28.0/7.28.1 (Network Utility Software). It has been declared as critical. Affected by this vulnerability is the function Curl_sasl_create_digest_md5_message of the file lib/curl_sasl.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in the realm parameter in a (1) POP3, (2) SMTP or (3) IMAP message.

The weakness was released 02/06/2013 by Volema as confirmed advisory (Website). The advisory is shared at curl.haxx.se. The public release was coordinated with haxx.se. This vulnerability is known as CVE-2013-0249 since 12/06/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by Volema in Python and been published immediately after the advisory. It is possible to download the exploit at i.volema.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 72053 (GLSA-201401-14 : cURL: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 7.29.0 eliminates this vulnerability. The upgrade is hosted for download at curl.haxx.se. Applying a patch is able to eliminate this problem. The bugfix is ready for download at curl.haxx.se. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (24487), Tenable (72053), SecurityFocus (BID 57842†), OSVDB (89988†) and Secunia (SA52103†). Additional details are provided at nakedsecurity.sophos.com. Entry connected to this vulnerability is available at VDB-10905. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Volema
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72053
Nessus Name: GLSA-201401-14 : cURL: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 866064
OpenVAS Name: Fedora Update for curl FEDORA-2013-11574
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: cURL 7.29.0
Patch: curl.haxx.se

Timelineinfo

12/06/2012 🔍
02/06/2013 +62 days 🔍
02/06/2013 +0 days 🔍
02/06/2013 +0 days 🔍
02/06/2013 +0 days 🔍
02/07/2013 +1 days 🔍
02/07/2013 +0 days 🔍
02/11/2013 +4 days 🔍
02/11/2013 +0 days 🔍
03/08/2013 +25 days 🔍
01/21/2014 +319 days 🔍
11/18/2024 +3954 days 🔍

Sourcesinfo

Advisory: curl.haxx.se
Researcher: Volema
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0249 (🔍)
GCVE (CVE): GCVE-0-2013-0249
GCVE (VulDB): GCVE-100-7621

OVAL: 🔍

SecurityFocus: 57842 - cURL/libcURL 'Curl_sasl_create_digest_md5_message()' Stack Buffer Overflow Vulnerability
Secunia: 52103 - cURL / libcURL "Curl_sasl_create_digest_md5_message()" Buffer Overflow Vulnerabi, Highly Critical
OSVDB: 89988
SecurityTracker: 1028093 - cURL Buffer Overflow in Curl_sasl_create_digest_md5_message() Lets Remote Users Execute Arbitrary Code

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

Entryinfo

Created: 02/11/2013 14:04
Updated: 11/18/2024 08:40
Changes: 02/11/2013 14:04 (78), 08/20/2017 22:19 (14), 05/04/2021 15:19 (2), 11/18/2024 08:40 (14)
Complete: 🔍
Committer: olku
Cache ID: 216:C1F:103

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