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CVE-2011-0495

N/A
Published: January 20, 2011 at 06:00 PM UTC
Updated: June 16, 2026 at 11:27 PM UTC
6 products affected across 3 vendorsDebian LinuxFedoraAsterisk

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Severity
N/A
Exploit prediction
EPSS 4%

Description

Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
6.0
Asterisk· Digium
95%
v < c.3.6.21.2.0 ≤ v ≤ 1.2.401.4.0 ≤ v < 1.4.38.11.4.39 ≤ v < 1.4.39.11.6.1 ≤ v < 1.6.1.211.6.2 ≤ v < 1.6.2.15.11.6.2.16 ≤ v < 1.6.2.16.11.8.0 ≤ v < 1.8.1.21.8.2 ≤ v < 1.8.2.2
Affected range stops below 1.4.38.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.4.39.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.1.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.2.15.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.2.16.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.2.2, so it looks safe — our inference, not a vendor statement
Affected range stops below c.3.6.2, so it looks safe — our inference, not a vendor statement
Asterisknow· Digium
95%
1.5
S800I Firmware· Digium
95%
1.2.0
digium-s800i (same device)
Fedora· Fedora Projectrpm
95%
1314
S800I· Digiumdevice
80%
All versions

References (15)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://downloads.asterisk.org/pub/security/AST-2011-001.html
Vendor Advisoryx_refsource_FEDORAThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html
Vendor Advisoryx_refsource_FEDORAThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html
VDB Entryx_refsource_OSVDBBroken Link
Source: [email protected]
http://osvdb.org/70518
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/42935
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/43119
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/43373

CVSS

6MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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