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CVE-2012-4505

Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.

Published:Oct 12, 2012

Last Modified:Apr 11, 2025

EPS:Nov 11, 2012

EPSS Score:0.04366

CVSS Score:10

Affected Products

Vendor

Product

Action

Vendor

Libproxy Project

Product

Libproxy

Libproxy Project

Libproxy

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Exploits

No exploit reference

Common Weakness Enumeration

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-10 Buffer Overflow via Environment Variables

CAPEC-100 Overflow Buffers

CAPEC-123 Buffer Manipulation

CAPEC-14 Client-side Injection-induced Buffer Overflow

CAPEC-24 Filter Failure through Buffer Overflow

CAPEC-42 MIME Conversion

CAPEC-44 Overflow Binary Resource File

CAPEC-45 Buffer Overflow via Symbolic Links

CAPEC-46 Overflow Variables and Tags

CAPEC-47 Buffer Overflow via Parameter Expansion

CAPEC-8 Buffer Overflow in an API Call

CAPEC-9 Buffer Overflow in Local Command-Line Utilities

Related CVEs

CVE-2020-25219 (CVSS 7.5) — url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled …

CVE-2020-26154 (CVSS 9.8) — url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a lar…

CVE-2012-5580 (CVSS 7.5) — Format string vulnerability in the print_proxies function in bin/proxy.c in libproxy 0.3.1 might allow context…

CVE-2012-4504 (CVSS 10) — Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remo…

References

http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html

http://rhn.redhat.com/errata/RHSA-2012-1461.html

http://secunia.com/advisories/51048

http://secunia.com/advisories/51180

http://secunia.com/advisories/51308

http://www.debian.org/security/2012/dsa-2571

http://www.openwall.com/lists/oss-security/2012/10/12/1

http://www.openwall.com/lists/oss-security/2012/10/12/5

http://www.openwall.com/lists/oss-security/2012/10/16/3

http://www.securityfocus.com/bid/55910

http://www.ubuntu.com/usn/USN-1629-1

https://bugzilla.redhat.com/show_bug.cgi?id=864612

https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E

http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html

http://rhn.redhat.com/errata/RHSA-2012-1461.html

http://secunia.com/advisories/51048

http://secunia.com/advisories/51180

http://secunia.com/advisories/51308

http://www.debian.org/security/2012/dsa-2571

http://www.openwall.com/lists/oss-security/2012/10/12/1

http://www.openwall.com/lists/oss-security/2012/10/12/5

http://www.openwall.com/lists/oss-security/2012/10/16/3

http://www.securityfocus.com/bid/55910

http://www.ubuntu.com/usn/USN-1629-1

https://bugzilla.redhat.com/show_bug.cgi?id=864612

https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High