squid 2.3 and earlier allows local users to overwrite arbitrary files via a symlink attack in some configurations.
- Published
- Mar 12, 2001
- Updated
- Jun 16, 2026
- EPSS
- 0.3% · 21th percentile
- CWE
- —
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Report tools
Action score
4
Monitor
Low priority for now.
- CVSS
- 4 / 40 · 1.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| immunix | immunix | cpe:2.3:a:immunix:immunix |
| national science foundation | squid web proxy | cpe:2.3:a:national_science_foundation:squid_web_proxy |
| mandrakesoft | mandrake linux | cpe:2.3:o:mandrakesoft:mandrake_linux |
| redhat | linux | cpe:2.3:o:redhat:linux |
| trustix | secure linux | cpe:2.3:o:trustix:secure_linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- immunix immunix7.0_beta
- mandrakesoft mandrake linux6.0
- mandrakesoft mandrake linux6.1
- mandrakesoft mandrake linux7.0
- mandrakesoft mandrake linux7.1
- mandrakesoft mandrake linux7.2
- national science foundation squid web proxy2.3_stable4
- redhat linux7.0
- trustix secure linux1.1
- trustix secure linux1.2
Same product
immunix: all recordsOther highest-scoring records for the same primary product.
- CVE-2002-0083Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.43Plan
- CVE-2002-1565Buffer overflow in url_filename function for wget 1.8.1 allows attackers to cause a denial of service (segmentation fault) and possibly exec31Monitor
- CVE-2000-1208Format string vulnerability in startprinting() function of printjob.c in BSD-based lpr lpd package may allow local users to gain privileges 28Monitor
- CVE-2000-1095modprobe in the modutils 2.3.x package on Linux systems allows a local user to execute arbitrary commands via shell metacharacters.28Monitor
- CVE-2000-1134Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing << redir28Monitor
- CVE-2000-0963Buffer overflow in ncurses library allows local users to execute arbitrary commands via long environmental information such as TERM or TERMI28Monitor
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.
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 researchersFinders, 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
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- High
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
AV:L/AC:H/Au:N/C:N/I:P/A:N
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 helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- archives.neohapsis.com/archives/bugtraq/2001-01/0212.html
- marc.info/?l=bugtraq&m=97916374410647&w=2
- www.debian.org/security/2001/dsa-019
- www.linux-mandrake.com/en/security/2001/MDKSA-2001-003.php3
- www.securityfocus.com/bid/2184
- exchange.xforce.ibmcloud.com/vulnerabilities/5921
Vendor advisories and official records. Exploit/PoC links are deliberately left out.