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Debian Security Advisory DSA 4594-1 (openssl1.0 - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'openssl1.0' package(s) announced via the DSA-4594-1 advisory.

Insight

Insight

Guido Vranken discovered an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli.

Affected Software

Affected Software

'openssl1.0' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For the oldstable distribution (stretch), this problem has been fixed in version 1.0.2u-1~deb9u1. We recommend that you upgrade your openssl1.0 packages.

Common Vulnerabilities and Exposures (CVE)