
CVE-2023-21494
https://notcve.org/view.php?id=CVE-2023-21494
04 May 2023 — Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access. • https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05 • CWE-20: Improper Input Validation CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2023-21503
https://notcve.org/view.php?id=CVE-2023-21503
04 May 2023 — Potential buffer overflow vulnerability in mm_LteInterRatManagement.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access. • https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05 • CWE-20: Improper Input Validation CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2023-29085 – Shannon Baseband SIP Status Line Stack Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29085
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP status line. There is a stack buffer overflow in Shannon Baseband when processing the status line of a SIP message (this happens in IMSPL_SipStatusLine.c according to the debug strings in the firmware image). • https://packetstorm.news/files/id/172288 • CWE-787: Out-of-bounds Write •

CVE-2023-29086 – Shannon Baseband SIP Min-SE Header Stack Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29086
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP Min-SE header. There is a stack buffer overflow in Shannon Baseband when processing the Min-SE header in the SIP protocol decoder (IMSPL_SipMinSE.c according to the debug strings in the firmware image). • https://packetstorm.news/files/id/172293 • CWE-787: Out-of-bounds Write •

CVE-2023-29087 – Shannon Baseband SIP Retry-After Header Heap Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29087
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP Retry-After header. There is a heap buffer overflow in Shannon Baseband when processing the Retry-After header in the SIP protocol decoder (IMSPL_SipRetryAfter.c according to the debug strings in the firmware image). • https://packetstorm.news/files/id/172295 • CWE-787: Out-of-bounds Write •

CVE-2023-29088 – Shannon Baseband SIP Session-Expires Header Stack Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29088
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP Session-Expires header. There is a stack buffer overflow in Shannon Baseband when processing the Session-Expires header in the SIP protocol decoder (IMSPL_SipDecode.c according to the debug strings in the firmware image). • https://packetstorm.news/files/id/172289 • CWE-787: Out-of-bounds Write •

CVE-2023-29089 – Shannon Baseband Negative-Size Memcpy / Out-Of-Bounds Read
https://notcve.org/view.php?id=CVE-2023-29089
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding SIP multipart messages. There is a negative-size memcpy (heap overflow) when decoding the body of SIP multipart messages. According to debug strings in the modem image, this functionality is implemented in IMSPL_SipFragDecode. • https://packetstorm.news/files/id/172292 • CWE-125: Out-of-bounds Read •

CVE-2023-29090 – Shannon Baseband Via Header Decoder Stack Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29090
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP Via header. There is a stack buffer overflow in Shannon Baseband when processing the Via header in the SIP protocol decoder (IMSPL_SipDecode.c according to the debug strings in the firmware image). • https://packetstorm.news/files/id/172287 • CWE-787: Out-of-bounds Write •

CVE-2023-29091 – Shannon Baseband SIP URI Decoder Stack Buffer Overflow
https://notcve.org/view.php?id=CVE-2023-29091
14 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP URI. There is a stack buffer overflow in Shannon Baseband in the SIP URI decoder. According to the debug strings present in the firmware image, this decoder corresponds to IMSPL_SipUri.c. • https://packetstorm.news/files/id/172282 • CWE-787: Out-of-bounds Write CWE-1173: Improper Use of Validation Framework •

CVE-2023-28613 – Shannon Baseband Integer Overflow
https://notcve.org/view.php?id=CVE-2023-28613
04 Apr 2023 — An issue was discovered in Samsung Exynos Mobile Processor and Baseband Modem Processor for Exynos 1280, Exynos 2200, and Exynos Modem 5300. An integer overflow in IPv4 fragment handling can occur due to insufficient parameter validation when reassembling these fragments. There is an integer overflow in Shannon Baseband leading to a heap buffer overflow when reassembling IPv4 fragments. According to the debug strings, this corresponding functionality is implemented in SmdtIp4Rx::ProcessFragments function an... • https://packetstorm.news/files/id/172177 • CWE-190: Integer Overflow or Wraparound •