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CVE-2019-11328

HIGH
8.8
CVSS Score
Published: May 14, 2019 at 08:24 PM UTC
Updated: June 17, 2026 at 02:12 AM UTC
4 products affected across 3 vendorsFedoraLeapBackports

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

An issue was discovered in Singularity 3.1.0 to 3.2.0-rc2, a malicious user with local/network access to the host system (e.g. ssh) could exploit this vulnerability due to insecure permissions allowing a user to edit files within `/run/singularity/instances/sing/<user>/<instance>`. The manipulation of those files can change the behavior of the starter-suid program when instances are joined resulting in potential privilege escalation on the host.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
282930
Backports· openSUSE
95%
sle-15sle-15 sp1
Leap· openSUSEdrupal
95%
15.1
Singularity· Sylabs
95%
3.1.0 ≤ v < 3.2.03.2.03.2.0 rc13.2.0 rc2
Affected range stops below 3.2.0, so it looks safe — our inference, not a vendor statement

References (8)

Vendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00028.html
Vendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
Mailing Listx_refsource_MLISTExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2019/05/16/1
VDB Entryx_refsource_BIDBroken Link
Source: [email protected]
http://www.securityfocus.com/bid/108360
x_refsource_CONFIRMRelease Notes
Source: [email protected]
https://github.com/sylabs/singularity/releases/tag/v3.2.0
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5O3TPL5OOTIZEI4H6IQBCCISBARJ6WL3/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIHV7DSEVTB5SUPEZ2UXGS3Q6WMEQSO2/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNU5BUHFOTYUZVHFUSX2VG4S3RCPUEMA/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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