VIR Vulnerability Intelligence Relay

CVE-2011-1774

high
Published 2011-07-21 · Modified 2026-04-29
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CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.8

Description

WebKit in Apple Safari before 5.0.6 has improper libxslt security settings, which allows remote attackers to create arbitrary files, and consequently execute arbitrary code, via a crafted web site. NOTE: this may overlap CVE-2011-1425.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-17993 remote windows verified
Metasploit · 2011-10-18

Apple Safari Webkit - libxslt Arbitrary File Creation (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

auxiliary_server/webkit_xslt_dropper rank 300
Cross Platform Webkit File Dropper
Source fetch failed: fetch_error — view the original via the link above.
exploit_windows/browser/safari_xslt_output rank 600
Apple Safari Webkit libxslt Arbitrary File Creation
Source code queued for fetch — refresh in a moment.

OS impact
macos macOS Fixed 4 releases
VersionStatusFixed in
10.7.0 Not affected —
10.6.9 Not affected —
10.6.8 Not affected —
10.5.8 Not affected —
windows Windows Fixed 1 release
VersionStatusFixed in
— Not affected —

Application impact
VendorProductVersionsFixed
macos applesafari{"endIncluding":"5.0.5"}
macos applesafari1.0
macos applesafari1.0.0
macos applesafari1.0.0b1
macos applesafari1.0.0b2
macos applesafari1.0.1
macos applesafari1.0.2
macos applesafari1.0.3
macos applesafari1.1
macos applesafari1.1.0
macos applesafari1.1.1
macos applesafari1.2
macos applesafari1.2.0
macos applesafari1.2.1
macos applesafari1.2.2
macos applesafari1.2.3
macos applesafari1.2.4
macos applesafari1.2.5
macos applesafari1.3
macos applesafari1.3.0
macos applesafari1.3.1
macos applesafari1.3.2
macos applesafari2
macos applesafari2.0
macos applesafari2.0.0
macos applesafari2.0.1
macos applesafari2.0.2
macos applesafari2.0.3
macos applesafari2.0.4
macos applesafari3
macos applesafari3.0
macos applesafari3.0.0
macos applesafari3.0.0b
macos applesafari3.0.1
macos applesafari3.0.1b
macos applesafari3.0.2
macos applesafari3.0.2b
macos applesafari3.0.3
macos applesafari3.0.3b
macos applesafari3.0.4
macos applesafari3.0.4b
macos applesafari3.1.0
macos applesafari3.1.0b
macos applesafari3.1.1
macos applesafari3.1.2
macos applesafari3.2.0
macos applesafari3.2.1
macos applesafari3.2.2
macos applesafari4.1
macos applesafari4.1.1
macos applesafari4.1.2
macos applesafari5.0
macos applesafari5.0.1
macos applesafari5.0.2
macos applesafari5.0.3
macos applesafari5.0.4
macos applewebkit

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.