CVE-2021-45944
https://notcve.org/view.php?id=CVE-2021-45944
Ghostscript GhostPDL 9.50 through 9.53.3 has a use-after-free in sampled_data_sample (called from sampled_data_continue and interp). Ghostscript GhostPDL versiones 9.50 hasta 9.53.3, presenta un uso de memoria previamente liberada en la función sampled_data_sample (llamado desde sampled_data_continue e interp). • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715 https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7861fcad13c497728189feafb41cd57b5b50ea25 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-237.yaml https://github.com/google/oss-fuzz-vulns/issues/16 https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html https://www.debian.org/security/2022/dsa-5038 • CWE-416: Use After Free •
CVE-2021-45949
https://notcve.org/view.php?id=CVE-2021-45949
Ghostscript GhostPDL 9.50 through 9.54.0 has a heap-based buffer overflow in sampled_data_finish (called from sampled_data_continue and interp). Ghostscript GhostPDL versiones 9.50 a 9.54.0, presenta un desbordamiento de búfer en la región heap de la memoria en la función sampled_data_finish (llamado desde sampled_data_continue e interp). • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34675 https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=2a3129365d3bc0d4a41f107ef175920d1505d1f7 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-803.yaml https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html https://www.debian.org/security/2022/dsa-5038 • CWE-787: Out-of-bounds Write •
CVE-2021-3781
https://notcve.org/view.php?id=CVE-2021-3781
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se ha encontrado un fallo de escape trivial del sandbox (habilitado con la opción "-dSAFER") en el intérprete de ghostscript al inyectar un comando de tubería especialmente diseñado. Este fallo permite que un documento especialmente diseñado ejecute comandos arbitrarios en el sistema en el contexto del intérprete ghostscript. • https://bugzilla.redhat.com/show_bug.cgi?id=2002271 https://ghostscript.com/CVE-2021-3781.html https://security.gentoo.org/glsa/202211-11 • CWE-20: Improper Input Validation CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVE-2020-14373 – ghostscript: use-after-free vulnerability in igc_reloc_struct_ptr() could result in DoS
https://notcve.org/view.php?id=CVE-2020-14373
A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service. Se encontró un uso de la memoria previamente liberada en la función igc_reloc_struct_ptr() del archivo psi/igc.c de ghostscript-9.25. Un atacante local podría suministrar un archivo PDF especialmente diseñado para causar una denegación de servicio A use-after-free flaw was found in igc_reloc_struct_ptr() of psi/igc.c of Ghostscript-9.25. This flaw allows a local attacker to supply a specially crafted PDF file, causing a denial of service. • https://bugs.ghostscript.com/show_bug.cgi?id=702851 https://bugzilla.redhat.com/show_bug.cgi?id=1873239 https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=ece5cbbd9979cd35737b00e68267762d72feb2ea%3Bhp=1ef5f08f2c2e27efa978f0010669ff22355c385f https://access.redhat.com/security/cve/CVE-2020-14373 • CWE-416: Use After Free •
CVE-2020-17538 – ghostscript: buffer overflow in GetNumSameData() in contrib/lips4/gdevlips.c could result in a DoS
https://notcve.org/view.php?id=CVE-2020-17538
A buffer overflow vulnerability in GetNumSameData() in contrib/lips4/gdevlips.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51. Una vulnerabilidad de desbordamiento del búfer en la función GetNumSameData() en el archivo contrib/lips4/gdevlips.c de Artifex Software GhostScript versión v9.50, permite a un atacante remoto causar una denegación de servicio por medio de un archivo PDF diseñado. Esto es corregido en la versión v9.51 • https://bugs.ghostscript.com/show_bug.cgi?id=701792 https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=9f39ed4a92578a020ae10459643e1fe72573d134 https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html https://security.gentoo.org/glsa/202008-20 https://usn.ubuntu.com/4469-1 https://www.debian.org/security/2020/dsa-4748 https://access.redhat.com/security/cve/CVE-2020-17538 https://bugzilla.redhat.com/show_bug.cgi?id=1870249 • CWE-787: Out-of-bounds Write •