CVE-2019-3681
osc: stores downloaded (supposed) RPM in network-controlled filesystem paths
Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.
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 External Control of File Name or Path vulnerability in osc of SUSE Linux Enterprise Module for Development Tools 15, SUSE Linux Enterprise Software Development Kit 12-SP5, SUSE Linux Enterprise Software Development Kit 12-SP4; openSUSE Leap 15.1, openSUSE Factory allowed remote attackers that can change downloaded packages to overwrite arbitrary files. This issue affects: SUSE Linux Enterprise Module for Development Tools 15 osc versions prior to 0.169.1-3.20.1. SUSE Linux Enterprise Software Development Kit 12-SP5 osc versions prior to 0.162.1-15.9.1. SUSE Linux Enterprise Software Development Kit 12-SP4 osc versions prior to 0.162.1-15.9.1. openSUSE Leap 15.1 osc versions prior to 0.169.1-lp151.2.15.1. openSUSE Factory osc versions prior to 0.169.0 .
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.
- 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
1.4% chance of exploitation activity in the next 30 days, which ranks it in the 72nd 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.
- OpenVAS check added
- Public exploit / PoCsource: other
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- SUSE Linux Enterprise Module for Development Tools 15Operating Systems / linux-distro
- SUSE Linux Enterprise Software Development Kit 12-SP5Operating Systems / linux-distro
- SUSE Linux Enterprise Software Development Kit 12-SP4Operating Systems / linux-distro
- SUSE Linux Enterprise Software Development KitOperating Systems / linux-distro
- SUSE Linux Enterprise SDKOperating Systems / linux-distro
- SUSE Linux Enterprise Module for Development ToolsOperating Systems / linux-distro
- SUSE Linux Enterprise Module for Legacy SoftwareOperating Systems / linux-distro
- OpenSUSE LeapOperating Systems / linux-distro
And 1 more affected product. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
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
Sources
References in the record
And 2 more references. See all after sign-in
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