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debianDebianDEBIAN:DSA-3741-1:6A519
HistoryDec 20, 2016 - 12:17 p.m.

[SECURITY] [DSA 3741-1] tor security update

2016-12-2012:17:53
lists.debian.org
15

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.041

Percentile

92.2%


Debian Security Advisory DSA-3741-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
December 20, 2016 https://www.debian.org/security/faq


Package : tor
CVE ID : CVE-2016-1254
Debian Bug : 848847

It was discovered that Tor, a connection-based low-latency anonymous
communication system, may read one byte past a buffer when parsing
hidden service descriptors. This issue may enable a hostile hidden
service to crash Tor clients depending on hardening options and malloc
implementation.

For the stable distribution (jessie), this problem has been fixed in
version 0.2.5.12-4.

For the testing (stretch) and unstable (sid) distributions, this
problem has been fixed in version 0.2.9.8-2.

We recommend that you upgrade your tor packages.

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

Mailing list: [email protected]

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.041

Percentile

92.2%