Skip to content
Noroxi
CVE-2000-0055· NVD / CVE Program· CNA mitre

Buffer overflow in Solaris chkperm command allows local users to gain root access via a long -n option.

HighCVSS 7.2 · v2.0—No exploit No fix recorded
Published
Jan 6, 2000
Updated
Jun 16, 2026
EPSS
0.3% · 25th percentile
CWE
—
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

Affected systems

VendorProduct
sunsolaris
sunsunos

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sun solaris2.4
  • sun solaris2.5
  • sun solaris2.5.1
  • sun solaris2.6
  • sun solaris7.0
  • sun sunosall versions
  • sun sunos5.3
  • sun sunos5.4
  • sun sunos5.5
  • sun sunos5.5.1
  • sun sunos5.7

Same product

sun: all records

Other highest-scoring records for the same primary product.

  • CVE-2003-0722The default installation of sadmind on Solaris uses weak authentication (AUTH_SYS), which allows local and remote attackers to spoof Solstic
    67This week
  • CVE-2001-0236Buffer overflow in Solaris snmpXdmid SNMP to DMI mapper daemon allows remote attackers to execute arbitrary commands via a long "indication"
    62This week
  • CVE-2008-4556Stack-based buffer overflow in the adm_build_path function in sadmind in Sun Solstice AdminSuite on Solaris 8 and 9 allows remote attackers
    61This week
  • CVE-2001-0779Buffer overflow in rpc.yppasswdd (yppasswd server) in Solaris 2.6, 7 and 8 allows remote attackers to gain root access via a long username.
    59Plan
  • CVE-2002-0391Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including di
    56Plan
  • CVE-2002-0033Heap-based buffer overflow in cfsd_calloc function of Solaris cachefsd allows remote attackers to execute arbitrary code via a request with
    47Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records