VAR-201402-0038
Vulnerability from variot - Updated: 2023-12-18 12:57The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences. Net6 is a simple network library. The net6 library performs certain operations before verifying the connection of user authentication information, which may result in the disclosure of part of the information of the connected user. net6 is prone to a session-hijacking vulnerability and an information-disclosure vulnerability. An attacker can exploit these vulnerabilities to obtain sensitive information, or possibly perform actions with elevated privileges. net6 1.3.13 is vulnerable; other versions may also be affected.
For more information: SA46605
SOLUTION: Apply updated packages via the yum utility ("yum update net6"). ----------------------------------------------------------------------
Ovum says ad hoc tools are out-dated. The best practice approach? Fast vulnerability intelligence, threat handling, and setup in one tool.
Read the new report on the Secunia VIM: http://secunia.com/products/corporate/vim/ovum_2011_request/
TITLE: net6 Two Weaknesses
SECUNIA ADVISORY ID: SA46605
VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46605/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46605
RELEASE DATE: 2011-10-31
DISCUSS ADVISORY: http://secunia.com/advisories/46605/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s)
http://secunia.com/advisories/46605/
ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=46605
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION: Vasiliy Kulikov has reported two weaknesses in net6, which can be exploited by malicious people to disclose certain information and conduct session hijacking attacks.
2) It's possible to cause an internal ID counter to overflow, which can be exploited to e.g. hijack another user's session.
The weaknesses are reported in version 1.3.13.
SOLUTION: Fixed in the GIT repository.
Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY: Vasiliy Kulikov
ORIGINAL ADVISORY: http://www.openwall.com/lists/oss-security/2011/10/30/3
OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.
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Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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.
1) An error in the net6 library can be exploited to e.g.
For more information see weakness #1 in: SA46605
2) An error in the net6 library can be exploited to hijack another user's session.
For more information see weakness #2 in: SA46605
SOLUTION: Restrict access to trusted hosts only
Show details on source website{
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"data": "The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences. Net6 is a simple network library. The net6 library performs certain operations before verifying the connection of user authentication information, which may result in the disclosure of part of the information of the connected user. net6 is prone to a session-hijacking vulnerability and an information-disclosure vulnerability. \nAn attacker can exploit these vulnerabilities to obtain sensitive information, or possibly perform actions with elevated privileges. \nnet6 1.3.13 is vulnerable; other versions may also be affected. \n\nFor more information:\nSA46605\n\nSOLUTION:\nApply updated packages via the yum utility (\"yum update net6\"). ----------------------------------------------------------------------\n\nOvum says ad hoc tools are out-dated. The best practice approach?\nFast vulnerability intelligence, threat handling, and setup in one tool. \n\nRead the new report on the Secunia VIM:\nhttp://secunia.com/products/corporate/vim/ovum_2011_request/ \n\n----------------------------------------------------------------------\n\nTITLE:\nnet6 Two Weaknesses\n\nSECUNIA ADVISORY ID:\nSA46605\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/46605/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46605\n\nRELEASE DATE:\n2011-10-31\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/46605/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/46605/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46605\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nVasiliy Kulikov has reported two weaknesses in net6, which can be\nexploited by malicious people to disclose certain information and\nconduct session hijacking attacks. \n\n2) It\u0027s possible to cause an internal ID counter to overflow, which\ncan be exploited to e.g. hijack another user\u0027s session. \n\nThe weaknesses are reported in version 1.3.13. \n\nSOLUTION:\nFixed in the GIT repository. \n\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nPROVIDED AND/OR DISCOVERED BY:\nVasiliy Kulikov\n\nORIGINAL ADVISORY:\nhttp://www.openwall.com/lists/oss-security/2011/10/30/3\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. \n\n1) An error in the net6 library can be exploited to e.g. \n\nFor more information see weakness #1 in:\nSA46605\n\n2) An error in the net6 library can be exploited to hijack another\nuser\u0027s session. \n\nFor more information see weakness #2 in:\nSA46605\n\nSOLUTION:\nRestrict access to trusted hosts only",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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