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CVE Record

CVE-2018-25261: Iperius Backup 5.8.1 Local Buffer Overflow SEH

Iperius Backup 5.8.1 contains a local buffer overflow vulnerability in the structured exception handling (SEH) mechanism that allows local attackers to execute arbitrary code by supplying a malicious file path. Attackers can create a backup job with a crafted payload in the external file location field that triggers a buffer overflow when the backup job executes, enabling code execution with application privileges.

HighCVSS 8.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-25261 affects Iperius Backup 5.8.1. A local attacker can abuse how the application handles a crafted file path in a backup job to crash the program and potentially run code with the application’s privileges. This is not described as remotely exploitable, but backup software often has privileged access to sensitive systems and data.

Executive priority

Prioritize remediation where Iperius Backup 5.8.1 runs on servers, backup infrastructure, or systems holding sensitive data. The issue requires local access, but successful exploitation could affect confidentiality, integrity, and availability through the backup application’s privileges.

Technical view

The issue is a local buffer overflow involving structured exception handling in Iperius Backup 5.8.1. The CVE describes arbitrary code execution via a malicious file path used in an external file location field when a backup job executes. It is mapped to CWE-787 and scored CVSS 4.0 8.6 with local attack vector and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to systems running Iperius Backup 5.8.1 where an attacker can create or modify backup jobs locally. The source bundle lists only version 5.8.1 as affected and default status as unaffected for other versions.

Exploitation context

Public exploit information is referenced by ExploitDB, but the source bundle does not indicate active exploitation. The CVE is not listed as KEV. Practical risk depends on whether untrusted local users or compromised accounts can interact with Iperius Backup job configuration.

Researcher notes

The provided sources establish affected version 5.8.1, local attack vector, SEH buffer overflow behavior, and public exploit reference. They do not name a fixed version or vendor patch. Avoid assuming broader version impact without vendor or CVE evidence.

Mitigation direction

  • Identify any installations of Iperius Backup 5.8.1.
  • Check Iperius vendor guidance for fixed or supported versions.
  • Upgrade away from version 5.8.1 if vendor guidance supports it.
  • Restrict local access to systems running Iperius Backup.
  • Limit who can create or modify backup jobs.
  • Monitor backup job changes and unexpected application crashes.

Validation and detection

  • Inventory endpoints and servers for Iperius Backup installations.
  • Confirm exact product version from installed software records.
  • Review backup job permissions and administrative access paths.
  • Check logs for unusual backup job changes or crashes.
  • Track vendor advisories for fixed-version confirmation.
Prepared
Confidence
high
Sources
5

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

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-787: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-25261 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.6 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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
4Source 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
8.6CVSS 4.0HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NPrimary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

8.6High
CVSS 4.0 vector shape for CVE-2018-25261Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IperiusbackupIperius Backup5.8.1unaffected
Weakness

CWE details

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

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.