CVE-2012-5573
published 2013-01-01CVE-2012-5573: The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might…
PriorityP423medium5CVSS 2.0
AVNACLAuNCNINAP
EPSS
3.15%
86.5th percentile
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
Affected
89 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | tor | < tor 0.2.3.25-1 (bookworm) | tor 0.2.3.25-1 (bookworm) |
| torproject | tor | <= 0.2.3.24 | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
| torproject | tor | — | — |
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CVSS provenance
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.0MEDIUM
vendor_debian5.0LOW
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GHSA
GHSA-xvc4-r5fw-47j4: The connection_edge_process_relay_cell function in or/relay
ghsa_unreviewed·2022-05-17
CVE-2012-5573 [MEDIUM] GHSA-xvc4-r5fw-47j4: The connection_edge_process_relay_cell function in or/relay
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
OSV
CVE-2012-5573: The connection_edge_process_relay_cell function in or/relay
osv·2013-01-01·CVSS 5.0
CVE-2012-5573 [MEDIUM] CVE-2012-5573: The connection_edge_process_relay_cell function in or/relay
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
Debian
CVE-2012-5573: tor - The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2....
vendor_debian·2012·CVSS 5.0
CVE-2012-5573 [MEDIUM] CVE-2012-5573: tor - The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2....
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
Scope: local
bookworm: resolved (fixed in 0.2.3.25-1)
bullseye: resolved (fixed in 0.2.3.25-1)
forky: resolved (fixed in 0.2.3.25-1)
sid: resolved (fixed in 0.2.3.25-1)
trixie: resolved (fixed in 0.2.3.25-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2012-5573 tor: denial of service when handling SENDME cells [epel-5]
bugzilla·2012-11-26·CVSS 5.0
CVE-2012-5573 [MEDIUM] CVE-2012-5573 tor: denial of service when handling SENDME cells [epel-5]
CVE-2012-5573 tor: denial of service when handling SENDME cells [epel-5]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
epel-5 tracking bug for tor
Bugzilla
CVE-2012-5573 tor: denial of service when handling SENDME cells
bugzilla·2012-11-26·CVSS 5.0
CVE-2012-5573 [MEDIUM] CVE-2012-5573 tor: denial of service when handling SENDME cells
CVE-2012-5573 tor: denial of service when handling SENDME cells
It was reported [1],[2] that Tor suffered from a denial of service vulnerability due to an error when handling SENDME cells. This could be exploited to cause excessive consumption of memory resources within an entry node.
This is fixed in upstream version 0.2.3.25 (git [3]).
[1] https://secunia.com/advisories/51329/
[2] https://trac.torproject.org/projects/tor/ticket/6252
[3] https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16
Discussion:
Created tor tracking bugs for this issue
Affects: fedora-all [bug 880313]
Affects: epel-5 [bug 880314]
---
This was assigned CVE-2012-5573:
http://www.openwall.com/lists/oss-security/2012/11/26/11
---
tor-0.2.3.25-1802.fc18 has been pushed
Bugzilla
CVE-2012-5573 tor: denial of service when handling SENDME cells [fedora-all]
bugzilla·2012-11-26·CVSS 5.0
CVE-2012-5573 [MEDIUM] CVE-2012-5573 tor: denial of service when handling SENDME cells [fedora-all]
CVE-2012-5573 tor: denial of service when handling SENDME cells [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
Please note: this issue affe
http://openwall.com/lists/oss-security/2012/11/26/11http://secunia.com/advisories/51329http://security.gentoo.org/glsa/glsa-201301-03.xmlhttps://bugs.gentoo.org/show_bug.cgi?id=444804https://bugzilla.redhat.com/show_bug.cgi?id=880310https://exchange.xforce.ibmcloud.com/vulnerabilities/80289https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16https://gitweb.torproject.org/tor.git/blob/release-0.2.3:/ReleaseNoteshttps://trac.torproject.org/projects/tor/ticket/6252http://openwall.com/lists/oss-security/2012/11/26/11http://secunia.com/advisories/51329http://security.gentoo.org/glsa/glsa-201301-03.xmlhttps://bugs.gentoo.org/show_bug.cgi?id=444804https://bugzilla.redhat.com/show_bug.cgi?id=880310https://exchange.xforce.ibmcloud.com/vulnerabilities/80289https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16https://gitweb.torproject.org/tor.git/blob/release-0.2.3:/ReleaseNoteshttps://trac.torproject.org/projects/tor/ticket/6252
2013-01-01
Published