CVE Database›Document archive›CVE-2013-6435

CVE-2013-6435

rpm: race condition during the installation process

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Severity

Important

Red Hat Product Security

7.6

CVSS 2.0

Review impact separately from score.

Published · December 9, 2014

Updated · June 27, 2026

Description

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely. Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 7.6
AV:N/AC:H/Au:N/C:C/I:C/A:C

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition