cpiopwn

cpiopwn CVE-2021-38185 This is an ACE POC of an integer overflow bug in cpio. This exploit bypasses all binary protections except full RELRO. This exploit uses cpio 2.13 and libc 2.31. Video demo: https://youtu.be/F0yKJhu7Vak Running the exploit We've provided a Kali Dockerfile to run the exploit...

cve-2022-41352

cve-2022-41352 generate poc.tar $ chmod +x cpiopocgen.py $ ./cpiopocgen.py show the middle finger to cpio $ cd /tmp $ mkdir -p poc/a/b copy poc.tar to /tmp/poc/a/b/ $ cd /tmp/poc/a/b/ $ cpio -i poc.tar $ ls -al ../ total 16 drwxrwxr-x 3 xabino xabino 4096 ott 10 14:56 . drwxrwxr-x 3 xabino xabino...

cve-2022-41352-zimbra-rce

CVE-2022-41352 Zimbra Unauthenticated RCE CVE-2022-41352 is an arbitrary file write vulnerability in Zimbra mail servers due to the use of a vulnerable cpio version. CVE-2022-41352 NIST.gov CVE-2022-41352 Rapid7 Analysis AffectedZimbra versions: Zimbra 9.0.0.p27 Zimbra 8.8.15.p34 Refer to the pat...

Zimbra Collaboration - Unrestricted File Upload

An issue was discovered in Zimbra Collaboration ZCS 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole extraction to /opt/zimbra/jetty/webapps/zimbra/public that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also,...

Astra Linux – Vulnerability in klibc

A issue was discovered in klibc before version 2.0.9. Multiple potential integer overflows in the cpio command on 32-bit systems could lead to a buffer overflow or other security issues...

Astra Linux – vulnerability in cpio

GNU cpio version 2.13 allows attackers to execute arbitrary code by using a specially crafted pattern file, due to an integer overflow in dstring.c’s dsfgetstr function which results in an out-of-bounds heap write. NOTE: It is unclear whether there are common scenarios where the pattern file...

Unity Linux 20.1070e Security Update: cpio (UTSA-2026-130378)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130378 advisory. GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member name...

Unity Linux 20.1070e Security Update: cpio (UTSA-2026-130401)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130401 advisory. GNU cpio contains a Path Traversal vulnerability in its tar archive extraction functionality. When extracting a tar archive in copy-in mode with the...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: cpio: cpio-2.15-10.3.hum1 aarch64, s390x, x8664 cpio-2.15-10.3.hum1.src src Security Fixes: cpio: CVE-2026-66485...

cpio: GNU cpio: Denial of Service via uncontrolled memory allocation from crafted archives

A flaw was found in GNU cpio. This vulnerability involves uncontrolled memory allocation when processing specially crafted cpio archives. A remote attacker could exploit this by providing a malicious archive, leading to a stack overflow and causing the cpio process to crash. This results in a...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : GNU cpio vulnerabilities (USN-8704-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8704-1 advisory. It was discovered that cpio incorrectly sanitized hard-link targets when extracti...

EulerOS 2.0 SP11 : cpio (EulerOS-SA-2026-4310)

According to the versions of the cpio packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio...

EulerOS 2.0 SP11 : cpio (EulerOS-SA-2026-4219)

According to the versions of the cpio packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio...

EulerOS 2.0 SP13 : cpio (EulerOS-SA-2026-4128)

According to the versions of the cpio packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : GNU cpio is vulnerable to an uncontrolled memory allocation in the makepath function at src/makepath.c. The function uses alloca to allocate stack...

EulerOS 2.0 SP13 : cpio (EulerOS-SA-2026-4037)

According to the versions of the cpio packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : GNU cpio is vulnerable to an uncontrolled memory allocation in the makepath function at src/makepath.c. The function uses alloca to allocate stack...

Rocky Linux 8 [CIQ] Security Update: cpio / cpio-debuginfo / cpio-debugsource (crlsa-2021_1582)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20211582 advisory. cpio: improper input validation when writing tar header fields leads to unexpected tar generation CVE-2019-14866 Tenable has extracted the preceding description blo...

AlmaLinux 9.2 [TuxCare] Security Update: cpio (ALMALINUX9.2:CLSA-2026:1786620962)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786620962 advisory. - Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a...

CentOS Linux 7 [TuxCare] Security Update: cpio (CENTOS7:CLSA-2024:1712672449)

The CentOS Linux 7 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2024:1712672449 advisory. - GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c dsfgetstr integer overflow...

Rocky Linux 9.6 [TuxCare] Security Update: cpio (ALMALINUX9.6:CLSA-2026:1786621771)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786621771 advisory. - Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a...

AlmaLinux 9.6 [TuxCare] Security Update: cpio (ALMALINUX9.6:CLSA-2026:1786621771)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786621771 advisory. - Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a...