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openSUSE: 2017:0790-1 Important Issue: mbedtls Remote Code Execution

opensuse
Calendar Grey March 22, 2017
Dist Opensuse Esm H88
Critical notice for openSUSE concerning vulnerability in mbedtls enabling remote code execution. Apply updates using YaST or zypper to ensure system security.
An update that fixes one vulnerability is now available.

Description

This update to mbedtls 1.3.19 fixes security issues and bugs.

The following vulnerability was fixed:

CVE-2017-2784: A remote user could have used a specially crafted

certificate to cause mbedtls to free a buffer allocated on the stack when

verifying the validity

of public key with a secp224k1 curve, which could have

allowed remote code execution on some platforms (boo#1029017)

The following non-security changes are included:

- Add checks to prevent signature forgeries for very large messages while

using RSA through the PK module in 64-bit systems.

- Fixed potential livelock during the parsing of a CRL in PEM format

Topics%20covered

Topics Covered

security advisory remote code execution important patch openSUSE mbedtls

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.2:

zypper in -t patch openSUSE-2017-372=1

- openSUSE Leap 42.1:

zypper in -t patch openSUSE-2017-372=1

To bring your system up-to-date, use "zypper patch".

Package List

- openSUSE Leap 42.2 (i586 x86_64):

libmbedtls9-1.3.19-15.1

libmbedtls9-debuginfo-1.3.19-15.1

mbedtls-debugsource-1.3.19-15.1

mbedtls-devel-1.3.19-15.1

- openSUSE Leap 42.2 (x86_64):

libmbedtls9-32bit-1.3.19-15.1

libmbedtls9-debuginfo-32bit-1.3.19-15.1

- openSUSE Leap 42.1 (i586 x86_64):

libmbedtls9-1.3.19-15.1

libmbedtls9-debuginfo-1.3.19-15.1

mbedtls-debugsource-1.3.19-15.1

mbedtls-devel-1.3.19-15.1

- openSUSE Leap 42.1 (x86_64):

libmbedtls9-32bit-1.3.19-15.1

libmbedtls9-debuginfo-32bit-1.3.19-15.1

References

https://www.suse.com/security/cve/CVE-2017-2784.html

https://bugzilla.suse.com/1029017

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2017:0790-1
Rating: important
Affected Products: openSUSE Leap 42.2 openSUSE Leap 42.1

Topics%20covered

Topics Covered

security advisory remote code execution important patch openSUSE mbedtls

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