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debianDebianDEBIAN:DSA-3998-1:53FB5
HistoryOct 11, 2017 - 8:14 p.m.

[SECURITY] [DSA 3998-1] nss security update

2017-10-1120:14:07
lists.debian.org
25

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

AI Score

9

Confidence

High

EPSS

0.01

Percentile

83.7%


Debian Security Advisory DSA-3998-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
October 11, 2017 https://www.debian.org/security/faq


Package : nss
CVE ID : CVE-2017-7805

Martin Thomson discovered that nss, the Mozilla Network Security Service
library, is prone to a use-after-free vulnerability in the TLS 1.2
implementation when handshake hashes are generated. A remote attacker
can take advantage of this flaw to cause an application using the nss
library to crash, resulting in a denial of service, or potentially to
execute arbitrary code.

For the oldstable distribution (jessie), this problem has been fixed
in version 2:3.26-1+debu8u3.

For the stable distribution (stretch), this problem has been fixed in
version 2:3.26.2-1.1+deb9u1.

For the testing distribution (buster), this problem has been fixed
in version 2:3.33-1.

For the unstable distribution (sid), this problem has been fixed in
version 2:3.33-1.

We recommend that you upgrade your nss 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

AI Score

9

Confidence

High

EPSS

0.01

Percentile

83.7%