| CVE |
Vendors |
Products |
Updated |
CVSS v3.1 |
| The Zephyr ext2 filesystem driver (subsys/fs/ext2) trusted the on-disk directory entry fields de_rec_len and de_name_len when walking a directory block. ext2_fetch_direntry() guarded only with de_name_len > EXT2_MAX_FILE_NAME, but de_name_len is a uint8_t and EXT2_MAX_FILE_NAME is 255, so the check is always false; the function then memcpy'd up to 255 name bytes and the lookup/readdir paths advanced traversal by an unvalidated de_rec_len. Each directory block is read into a block_size-sized slab buffer, and block_off can be driven near the block end by preceding entries' rec_len, so the 8-byte header read and the subsequent name memcpy can read up to ~263 bytes past the end of the block buffer into adjacent heap/slab memory. On the readdir path those bytes are returned to the caller in fs_dirent.name, leaking adjacent kernel heap memory; a de_rec_len of 0 also causes a zero-progress infinite loop (denial of service), and the unlink path's memmove(de, next, next_reclen) over unvalidated records is an additional OOB read/write source. The defect is reached by any path-based operation (open, stat, unlink, rename, mkdir) or directory listing on a mounted ext2 volume, so a crafted or corrupted ext2 image on attacker-supplied storage (SD card, USB mass storage, or otherwise mounted image) triggers it. Affected: Zephyr ext2 from its introduction in v3.5.0 through v4.4.0. The fix validates rec_len and name_len in the parser and rejects entries whose header does not fit the remaining block or whose rec_len crosses the block boundary in every traversal caller. |
| Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. |
| Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally. |
| Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally. |
| Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network. |
| Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack. |
| A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. |
| Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally. |
| Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally. |
| Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network. |
| Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to elevate privileges locally. |
| Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network. |
| Pillow is a Python imaging library. Prior to 12.3.0, when Pillow loads an uncompressed McIdas AREA image from a filename through the mmap raw codec path, attacker-controlled header words can set a row stride smaller than the natural row width, causing pixel access such as Image.tobytes(), getpixel, convert, or save to read beyond the mapped region and disclose adjacent process memory or fault. This issue is fixed in version 12.3.0. |
| Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally. |
| Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally. |
| Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally. |
| Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally. |
| Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack. |
