CVE-2016-1254: Buffer Overflow
First published: Tue Dec 20 2016(Updated: )
Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/tor | 0.3.5.16-1 0.3.5.16-1+deb10u1 0.4.5.16-1 0.4.7.13-1 0.4.8.7-1 | |
| Tor Project Tor | <0.2.8.12 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Red Hat Fedora | =24 | |
| Red Hat Fedora | =25 | |
| SUSE Linux | =42.2 | |
| openSUSE | =13.2 | |
| openSUSE Leap | =42.1 |
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Reference Links
- https://www.palfrader.org/
- https://www.debian.org/
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=848847
- https://blog.torproject.org/blog/tor-02812-released
- https://trac.torproject.org/projects/tor/ticket/21018
- https://security-tracker.debian.org/tracker/CVE-2016-1254
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00154.html
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00155.html
- https://gitweb.torproject.org/tor.git/commit/?id=d978216dea6b21ac38230a59d172139185a68dbd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FXOJSMCTIOHLBRYFBVEL3CDLGPZXX6WE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GTU2R253477RZLYAJAR5DAXAON7KIVLA/
- https://www.debian.org/security/2016/dsa-3741
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTU2R253477RZLYAJAR5DAXAON7KIVLA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXOJSMCTIOHLBRYFBVEL3CDLGPZXX6WE/
Frequently Asked Questions
What is the severity of CVE-2016-1254?
CVE-2016-1254 has a severity rating that indicates a potential denial of service vulnerability that may crash the Tor client.
How do I fix CVE-2016-1254?
To fix CVE-2016-1254, ensure that your Tor software is updated to version 0.2.8.12 or later.
Which versions of Tor are affected by CVE-2016-1254?
CVE-2016-1254 affects all versions of Tor prior to 0.2.8.12.
What impact does CVE-2016-1254 have on Tor users?
The impact of CVE-2016-1254 on Tor users is the potential for a remote attacker to crash the Tor client.
Is CVE-2016-1254 related to hidden services in Tor?
Yes, CVE-2016-1254 is specifically related to crafted hidden service descriptors that can trigger the vulnerability.
- collector/debian-bugs
- alias/CVE-2016-1254
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- agent/remedy
- agent/author
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/torproject
- canonical/tor project tor
- vendor/debian
- canonical/debian linux
- version/debian linux/8.0
- version/debian linux/9.0
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/24
- version/red hat fedora/25
- vendor/opensuse
- canonical/suse linux
- version/suse linux/42.2
- canonical/opensuse
- version/opensuse/13.2
- vendor/opensuse project
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- version/opensuse leap/42.1