CVE Tools

CVE-2019-3695

pcp: Local privilege escalation from user pcp to root

Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.

Published Updated Sources: CVE.org, NVD, BDU

What to do

The vendor has published a fix. Version details are below where the sources state them.

What it is

From the CVE record

A Improper Control of Generation of Code vulnerability in the packaging of pcp of SUSE Linux Enterprise High Performance Computing 15-ESPOS, SUSE Linux Enterprise High Performance Computing 15-LTSS, SUSE Linux Enterprise Module for Development Tools 15, SUSE Linux Enterprise Module for Development Tools 15-SP1, SUSE Linux Enterprise Module for Open Buildservice Development Tools 15, SUSE Linux Enterprise Server 15-LTSS, SUSE Linux Enterprise Server for SAP 15, SUSE Linux Enterprise Software Development Kit 12-SP4, SUSE Linux Enterprise Software Development Kit 12-SP5; openSUSE Leap 15.1 allows the user pcp to run code as root by placing it into /var/log/pcp/configs.sh This issue affects: SUSE Linux Enterprise High Performance Computing 15-ESPOS pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise High Performance Computing 15-LTSS pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise Module for Development Tools 15 pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise Module for Development Tools 15-SP1 pcp versions prior to 4.3.1-3.5.3. SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise Server 15-LTSS pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise Server for SAP 15 pcp versions prior to 3.11.9-5.8.1. SUSE Linux Enterprise Software Development Kit 12-SP4 pcp versions prior to 3.11.9-6.14.1. SUSE Linux Enterprise Software Development Kit 12-SP5 pcp versions prior to 3.11.9-6.14.1. openSUSE Leap 15.1 pcp versions prior to 4.3.1-lp151.2.3.1.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS38th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 38th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 471 days before any public exploit.

  1. OpenVAS check added
  2. Public exploit / PoCsource: other
  3. Patch availablerecord updated
  4. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Scored 8.4 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for SUSE, not every advisory. This one: public exploit.

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