All the vulnerabilites related to tmux - tmux
cve-2020-27347
Vulnerability from cvelistv5
Published
2020-11-06 02:20
Modified
2024-09-17 00:20
Summary
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Impacted products
Vendor Product Version
Ubuntu tmux Version: 3.1b   < 3.1b-1ubuntu0.1
Version: 3.0a   < 3.0a-2ubuntu0.2
Show details on NVD website


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var-201811-0766
Vulnerability from variot

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none. Tmux is an open source terminal multiplexer. There is a security hole in the \342\200\230format_cb_pane_tabs\342\200\231 function of the format.c file in tmux 2.7 to 2.8. An attacker could exploit the vulnerability to cause a denial of service (null pointer reverse reference and application crash)

Show details on source website


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var-202011-0763
Vulnerability from variot

In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output. tmux Is vulnerable to an out-of-bounds write.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. ========================================================================= Ubuntu Security Notice USN-4618-1 November 05, 2020

tmux vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS

Summary:

tmux could be made to crash or execute arbitrary code if it received a specially crafted input.

Software Description: - tmux: terminal multiplexer

Details:

Sergey Nizovtsev discovered that tmux incorrectly handled some inputs.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.10: tmux 3.1b-1ubuntu0.1

Ubuntu 20.04 LTS: tmux 3.0a-2ubuntu0.2

After a standard system update you need to restart tmux session to make all the necessary changes.

References: https://usn.ubuntu.com/4618-1 CVE-2020-27347

Package Information: https://launchpad.net/ubuntu/+source/tmux/3.1b-1ubuntu0.1 https://launchpad.net/ubuntu/+source/tmux/3.0a-2ubuntu0.2 . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202011-10


                                       https://security.gentoo.org/

Severity: Normal Title: tmux: Buffer overflow Date: November 11, 2020 Bugs: #753206 ID: 202011-10


Synopsis

A buffer overflow in tmux might allow remote attacker(s) to execute arbitrary code.

Background

tmux is a terminal multiplexer.

Affected packages

-------------------------------------------------------------------
 Package              /     Vulnerable     /            Unaffected
-------------------------------------------------------------------

1 app-misc/tmux < 3.1c >= 3.1c

Description

A flaw in tmux's handling of escape characters was discovered which may allow a buffer overflow.

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All tmux users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=app-misc/tmux-3.1c"

References

[ 1 ] CVE-2020-27347 https://nvd.nist.gov/vuln/detail/CVE-2020-27347

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202011-10

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2020 Gentoo Foundation, Inc; referenced text belongs to its owner(s).

The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

Show details on source website


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var-201104-0277
Vulnerability from variot

tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option. Local attackers may exploit this issue to gain elevated privileges; other attacks may also be possible. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1


Debian Security Advisory DSA-2212-1 security@debian.org http://www.debian.org/security/ Nico Golde April 7, 2011 http://www.debian.org/security/faq


Package : tmux Vulnerability : privilege escalation Problem type : local Debian-specific: yes CVE ID : CVE-2011-1496 Debian bug : 620304

Daniel Danner discovered that tmux, a terminal multiplexer, is not properly dropping group privileges.

The oldstable distribution (lenny) is not affected by this problem, it does not include tmux.

For the stable distribution (squeeze), this problem has been fixed in version 1.3-2+squeeze1.

For the testing distribution (wheezy), this problem has been fixed in version 1.4-6.

For the testing distribution (sid), this problem has been fixed in version 1.4-6.

We recommend that you upgrade your tmux packages.

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

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Q1 Factsheets released:

http://secunia.com/resources/factsheets/2011_vendor/


TITLE: Debian update for tmux

SECUNIA ADVISORY ID: SA44081

VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/44081/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=44081

RELEASE DATE: 2011-04-09

DISCUSS ADVISORY: http://secunia.com/advisories/44081/#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/44081/

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=44081

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: Debian has issued an update for tmux.

The security issue is caused due to the application not dropping group privileges and can be exploited to perform certain actions using permissions of the "tmux" group.

SOLUTION: Apply updated packages via the apt-get package manager.

PROVIDED AND/OR DISCOVERED BY: Reported by Daniel Danner in a Debian bug report.

ORIGINAL ADVISORY: DSA-2212-1: http://www.debian.org/security/2011/dsa-2212

OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/


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.

Subscribe: http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/

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.


Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org


Show details on source website


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distribution (lenny) is not affected by this problem,\nit does not include tmux. \n\nFor the stable distribution (squeeze), this problem has been fixed in\nversion 1.3-2+squeeze1. \n\nFor the testing distribution (wheezy), this problem has been fixed in\nversion 1.4-6. \n\nFor the testing distribution (sid), this problem has been fixed in\nversion 1.4-6. \n\n\nWe recommend that you upgrade your tmux packages. \n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: http://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.10 (GNU/Linux)\n\niEYEARECAAYFAk2eFbcACgkQHYflSXNkfP/NsgCfcy8X81nTclGCQSWTXxX1/wDF\no3kAnR7KmINuzH+MnbAls9Vf8Ewib/Bc\n=jUL0\n-----END PGP SIGNATURE-----\n. ----------------------------------------------------------------------\n\n\nQ1 Factsheets released:\n\nhttp://secunia.com/resources/factsheets/2011_vendor/\n\n\n----------------------------------------------------------------------\n\nTITLE:\nDebian update for tmux\n\nSECUNIA ADVISORY ID:\nSA44081\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/44081/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=44081\n\nRELEASE DATE:\n2011-04-09\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/44081/#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/44081/\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=44081\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:\nDebian has issued an update for tmux. \n\nThe security issue is caused due to the application not dropping\ngroup privileges and can be exploited to perform certain actions\nusing permissions of the \"tmux\" group. \n\nSOLUTION:\nApply updated packages via the apt-get package manager. \n\nPROVIDED AND/OR DISCOVERED BY:\nReported by Daniel Danner in a Debian bug report. \n\nORIGINAL ADVISORY:\nDSA-2212-1:\nhttp://www.debian.org/security/2011/dsa-2212\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\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",
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