iTerm2 3.x before 3.1.1 allows remote attackers to discover passwords by reading DNS…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
iTerm2 3.x before 3.1.1 allows remote attackers to discover passwords by reading DNS queries. A new (default) feature was added to iTerm2 version 3.0.0 (and unreleased 2.9.x versions such as 2.9.20150717) that resulted in a potential information disclosure. In an attempt to see whether the text under the cursor (or selected text) was a URL, the text would be sent as an unencrypted DNS query. This has the potential to result in passwords and other sensitive information being sent in cleartext without the user being aware.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 40
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:iterm2:iterm2:2.9.20151111:*:*:*:*:*:*:* | 2.9.20151111 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20151229:*:*:*:*:*:*:* | 2.9.20151229 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160102:*:*:*:*:*:*:* | 2.9.20160102 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160113:*:*:*:*:*:*:* | 2.9.20160113 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160206:*:*:*:*:*:*:* | 2.9.20160206 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160313:*:*:*:*:*:*:* | 2.9.20160313 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160422:*:*:*:*:*:*:* | 2.9.20160422 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160426:*:*:*:*:*:*:* | 2.9.20160426 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160510:*:*:*:*:*:*:* | 2.9.20160510 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:2.9.20160523:*:*:*:*:*:*:* | 2.9.20160523 | Vulnerable | iTerm2 |
- cpe:2.3:a:iterm2:iterm2:2.9.20151111:*:*:*:*:*:*:* Versions 2.9.20151111 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20151229:*:*:*:*:*:*:* Versions 2.9.20151229 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160102:*:*:*:*:*:*:* Versions 2.9.20160102 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160113:*:*:*:*:*:*:* Versions 2.9.20160113 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160206:*:*:*:*:*:*:* Versions 2.9.20160206 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160313:*:*:*:*:*:*:* Versions 2.9.20160313 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160422:*:*:*:*:*:*:* Versions 2.9.20160422 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160426:*:*:*:*:*:*:* Versions 2.9.20160426 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160510:*:*:*:*:*:*:* Versions 2.9.20160510 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:2.9.20160523:*:*:*:*:*:*:* Versions 2.9.20160523 Vulnerable ·iTerm2
Show 30 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:iterm2:iterm2:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.0:preview:*:*:*:*:*:* | 3.0.0 preview | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.1:preview:*:*:*:*:*:* | 3.0.1 preview | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.3:*:*:*:*:*:*:* | 3.0.3 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.4:*:*:*:*:*:*:* | 3.0.4 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.5:*:*:*:*:*:*:* | 3.0.5 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.6:*:*:*:*:*:*:* | 3.0.6 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.7:*:*:*:*:*:*:* | 3.0.7 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.8:*:*:*:*:*:*:* | 3.0.8 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.9:*:*:*:*:*:*:* | 3.0.9 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.10:*:*:*:*:*:*:* | 3.0.10 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.11:*:*:*:*:*:*:* | 3.0.11 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.12:*:*:*:*:*:*:* | 3.0.12 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.13:*:*:*:*:*:*:* | 3.0.13 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.14:*:*:*:*:*:*:* | 3.0.14 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.15:*:*:*:*:*:*:* | 3.0.15 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.0.20160531:*:*:*:*:*:*:* | 3.0.20160531 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:*:*:*:*:*:*:* | 3.1.0 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta:*:*:*:*:*:* | 3.1.0 beta | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta1:*:*:*:*:*:* | 3.1.0 beta1 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta10:*:*:*:*:*:* | 3.1.0 beta10 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta2:*:*:*:*:*:* | 3.1.0 beta2 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta3:*:*:*:*:*:* | 3.1.0 beta3 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta4:*:*:*:*:*:* | 3.1.0 beta4 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta5:*:*:*:*:*:* | 3.1.0 beta5 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta6:*:*:*:*:*:* | 3.1.0 beta6 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta7:*:*:*:*:*:* | 3.1.0 beta7 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta8:*:*:*:*:*:* | 3.1.0 beta8 | Vulnerable | iTerm2 |
| cpe:2.3:a:iterm2:iterm2:3.1.0:beta9:*:*:*:*:*:* | 3.1.0 beta9 | Vulnerable | iTerm2 |
- cpe:2.3:a:iterm2:iterm2:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.0:preview:*:*:*:*:*:* Versions 3.0.0 preview Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.1:preview:*:*:*:*:*:* Versions 3.0.1 preview Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.7:*:*:*:*:*:*:* Versions 3.0.7 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.8:*:*:*:*:*:*:* Versions 3.0.8 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.9:*:*:*:*:*:*:* Versions 3.0.9 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.10:*:*:*:*:*:*:* Versions 3.0.10 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.11:*:*:*:*:*:*:* Versions 3.0.11 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.12:*:*:*:*:*:*:* Versions 3.0.12 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.13:*:*:*:*:*:*:* Versions 3.0.13 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.14:*:*:*:*:*:*:* Versions 3.0.14 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.15:*:*:*:*:*:*:* Versions 3.0.15 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.0.20160531:*:*:*:*:*:*:* Versions 3.0.20160531 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta:*:*:*:*:*:* Versions 3.1.0 beta Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta1:*:*:*:*:*:* Versions 3.1.0 beta1 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta10:*:*:*:*:*:* Versions 3.1.0 beta10 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta2:*:*:*:*:*:* Versions 3.1.0 beta2 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta3:*:*:*:*:*:* Versions 3.1.0 beta3 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta4:*:*:*:*:*:* Versions 3.1.0 beta4 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta5:*:*:*:*:*:* Versions 3.1.0 beta5 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta6:*:*:*:*:*:* Versions 3.1.0 beta6 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta7:*:*:*:*:*:* Versions 3.1.0 beta7 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta8:*:*:*:*:*:* Versions 3.1.0 beta8 Vulnerable ·iTerm2
- cpe:2.3:a:iterm2:iterm2:3.1.0:beta9:*:*:*:*:*:* Versions 3.1.0 beta9 Vulnerable ·iTerm2
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-9231
- 2026-10-03 Alias added: GHSA-32xm-x7pr-x3m2
References
Advisory 7
- https://gitlab.com/gnachman/iterm2/issues/5303
- https://github.com/gnachman/iTerm2/commit/33ccaf61e34ef32ffc9d6b2be5dd218f6bb55f51
- https://gitlab.com/gnachman/iterm2/wikis/dnslookupissue
- https://github.com/gnachman/iTerm2/commit/e4eb1063529deb575b75b396138d41554428d522
- https://gitlab.com/gnachman/iterm2/issues/6068
- https://gitlab.com/gnachman/iterm2/issues/3688
- https://news.ycombinator.com/item?id=15286956
More Iterm2 vulnerabilities
- TI-2024-25648 An issue was discovered in iTerm2 3.5.x before 3.5.2. CVSS 3.1CRITICAL 9.8
- TI-2023-24916 iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of… CVSS 3.1CRITICAL 9.8
- TI-2023-24915 iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of… CVSS 3.1CRITICAL 9.8
- TI-2026-29861 In iTerm2 through 3.6.9, displaying a .txt file can cause code execution via DCS 2000p… CVSS 3.1HIGH 7.8
- TI-2024-25647 In iTerm2 before 3.5.2, the "Terminal may report window title" setting is not honored… CVSS 3.1CRITICAL 9.8
- TI-2022-22670 iTerm2 before 3.4.18 mishandles a DECRQSS response. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2015-9231 · CVE Program
- CVE-2015-9231 · NVD
- FIRST EPSS
- GHSA-32xm-x7pr-x3m2 · GitHub Advisory Database · CC BY 4.0
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