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CVE Record

CVE-2018-7685: libzypp does not reevaluate malicious rpms once downloaded

The decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call would not display the corrupted RPM warning and allow installation, a problem caused by malicious warnings only displayed during download.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

A flaw in SUSE libzypp could let a bad RPM remain in the package cache after download. If installed later, the earlier corruption warning might not appear, increasing the chance a user installs malicious software. The issue is rated high because successful installation could compromise confidentiality, integrity, and availability. Exposure is mainly SUSE systems using vulnerable libzypp versions before 17.5.0, especially workflows that download RPMs separately from installation or rely on cached packages. Treat this as a high-priority Linux package-management hygiene issue for SUSE environments. It is not reported as actively exploited here, but it can undermine trust in software installation and should be remediated during normal security update cycles. Mitigation focus: Update libzypp to 17.5.0 or a SUSE-supported fixed package.; Review SUSE advisory guidance for distribution-specific package names and updates.; Prioritize systems that install packages from cached or staged RPM workflows..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-358: Exact CWE lookup

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cve · low confidence lookup

CVE-2018-7685 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2018-7685Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SUSElibzyppunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-358 · source CWE mapping

Improperly Implemented Security Check for Standard

Improperly Implemented Security Check for Standard represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.