mbedtls: CVE-2019-16910

Debian Bug report logs - #941265
mbedtls: CVE-2019-16910

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: mbedtls: CVE-2019-16910

Date: Fri, 27 Sep 2019 13:04:33 +0200

Source: mbedtls
Version: 2.16.2-1
Severity: important
Tags: security upstream

Hi,

The following vulnerability was published for mbedtls. Not checked in
details, so please double check for mbedtls.

CVE-2019-16910[0]:
| Arm Mbed TLS before 2.19.0 and Arm Mbed Crypto before 2.0.0, when
| deterministic ECDSA is enabled, use an RNG with insufficient entropy
| for blinding, which might allow an attacker to recover a private key
| via side-channel attacks if a victim signs the same message many
| times. (For Mbed TLS, the fix is also available in versions 2.7.12 and
| 2.16.3.)


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-16910
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16910
[1] https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-10

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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