CVE-2004-0771

Lha vulnerability

CVSS

10.0

EPSS

18.8%

EPSS pct

97th

Exploited

No known

Buffer overflow in the extract_one function from lhext.c in LHA may allow attackers to execute arbitrary code via a long w (working directory) command line option, a different issue than CVE-2004-0769. NOTE: this issue may be REJECTED if there are not any cases in which LHA is setuid or is otherwise used across security boundaries.

Affected vendor

Tsugio Okamoto

Affected product

Lha

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Published

2004-11-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 18.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2004-0771

Confirm whether Tsugio Okamoto Lha is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-0771.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0771

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0771 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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